How to stop a colossal bridge corroding

  Рет қаралды 2,758,185

Tom Scott

Tom Scott

4 жыл бұрын

A decade ago, engineers found the Humber Bridge had the same problem as many of the world's suspension bridges: unexpectedly fast corrosion. Here's how they fixed it, and how they're checking that it's staying fixed.
Thanks to all the team at the Humber Bridge board, at Cleveland Bridge, and Visit Hull and East Yorkshire, all of whom spent a lot of time and effort getting me up to the towers!
Aerial and ground camera by Octovision Media octovisionmedia.co.uk
Edited by Michelle Martin @mrsmmartin
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Пікірлер: 1 800
@TomScottGo
@TomScottGo 4 жыл бұрын
"Hey, Tom, do you want to go up the Humber Bridge?" Yes. Yes I do. And I'm amazed that I got access to the actual corrosion test gantries, because they're understandably sensitive about that!
@athuljomon7761
@athuljomon7761 4 жыл бұрын
2 days ago hmmmmmmmmm
@RobertHohan
@RobertHohan 4 жыл бұрын
Why would they be sensitive about it? I can't imagine there is any information (regarding how their tests work and what their findings are) that they shouldn't be open about.
@firefish111
@firefish111 4 жыл бұрын
Ok I'm sure you have a DeLorean
@rexevan6714
@rexevan6714 4 жыл бұрын
But But....
@alterracorp7852
@alterracorp7852 4 жыл бұрын
Tom Scott has this video been private or unlisted or whatever for two days? That’s my theory haha
@PracticalEngineeringChannel
@PracticalEngineeringChannel 4 жыл бұрын
Jealous! Awesome shots.
@Wombattlr
@Wombattlr 4 жыл бұрын
Hi Practical Engineering!
@tardis3962
@tardis3962 3 жыл бұрын
269 flat earthers dislike this video 00:30
@TheHorseOutside
@TheHorseOutside 3 жыл бұрын
You are the reason I’m aiming for civil engineering when I go to college. Thank you for all your videos
@fbi7817
@fbi7817 3 жыл бұрын
Ur jealous of a bridge?
@TheHorseOutside
@TheHorseOutside 3 жыл бұрын
@@fbi7817 who wouldn’t be? Big, strong, hundreds depend on it for something it can easily provide, gets a full team of carers to make sure it doesn’t get too out-of-shape.
@Haseri8
@Haseri8 4 жыл бұрын
You can trust Jim Mawson because he's an engineer with a Yorkshire accent, the most trustworthy combination
@Benjy52
@Benjy52 3 жыл бұрын
Bit like me lyk
@jacobtaylor1636
@jacobtaylor1636 3 жыл бұрын
Really? Then by god I’ll be trustworthy in 6 years time. I’m studying to become a mechanical engineer
@amanofmanyparts9120
@amanofmanyparts9120 3 жыл бұрын
Some would say just behind a Scots accent. Not me. I'm a Tyke!
@aim-to-misbehave5674
@aim-to-misbehave5674 3 жыл бұрын
Surveys have actually proven that Yorkshire and Scottish accents are some of the ones people trust the most when they're told to instinctively rate accents. They don't want us flying planes (I think the best accents for pilots were decided to be some variety of Southern, Edinburgh, and possibly also a Welsh accent?) but they definitely want us in charge of their engineering projects. (Yorkshire lass here - grew up a handful of miles away from the Humber Bridge(
@callum_boss
@callum_boss 3 жыл бұрын
@@aim-to-misbehave5674 Presumably the Liverpudlian accent is someways back.
@maxtorque2277
@maxtorque2277 4 жыл бұрын
er, did you miss the best bit? Namely the opto-acoustic system that listens to the noises made inside each main cable and can identify, using Time Domain Reflectometry individual wires breaking and where in the long cable they have broken!
@AdamSmithNES
@AdamSmithNES 4 жыл бұрын
Did I just learn something from a KZfaq comment?!
@sixstringedthing
@sixstringedthing 4 жыл бұрын
Are you pulling my cable or wot mate? 10/10 comment, thanks for sharing
@WiseWik
@WiseWik 4 жыл бұрын
That is what was used on the Golden Gate bridge too. This bridge design is rubbish, hence why we don't see new bridge built like that.
@Narayan_Patki
@Narayan_Patki 4 жыл бұрын
I've never met a smart mountain biker
@AstoundingAmelia
@AstoundingAmelia 3 жыл бұрын
@@Narayan_Patki you now have
@brandonmartin-moore5302
@brandonmartin-moore5302 4 жыл бұрын
You get to go to all sorts of exciting places. New Zealand, America, Japan... and Hull.
@Roblilley999
@Roblilley999 4 жыл бұрын
The bridge isn't technically in Hull ;) from Barton to Hessle, but you probably know that
@krim7576
@krim7576 4 жыл бұрын
@@Roblilley999 You're the center of the party, aren't you?
@maxximumb
@maxximumb 4 жыл бұрын
I've been to that bridge and Hull. The bridge is better.
@tmp64
@tmp64 4 жыл бұрын
Don't forget Peniston
@Haights
@Haights 4 жыл бұрын
Don't forget Scunthorpe (in b4 "please forget Scunthorpe")
@IIHawkGamingII
@IIHawkGamingII 4 жыл бұрын
Thanks i will use this with my giant bridge
@TWX1138
@TWX1138 4 жыл бұрын
It's actually a good reason to climate-control a workshop or garage, especially in particularly humid climates. And as a side-benefit it cools off the space so it's more pleasant to work in.
@alexls1923
@alexls1923 4 жыл бұрын
It’s more useful than the polynomials stuck in my brain and the way my algebra 2 teacher tried to relate it to real life by asking one of the girls in my class “what if you are tending to your horses and there are 2 solutions?”
@SamM-od3id
@SamM-od3id 4 жыл бұрын
Chaitanya Singh you’ve got that a bit muddled, water-based corrosion CANNOT occur below 40% relative humidity :)
@thelastcube.
@thelastcube. 4 жыл бұрын
@@SamM-od3id oh shoot, my bad
@Blox117
@Blox117 4 жыл бұрын
@@alexls1923 what the hell does that mean?
@outside8312
@outside8312 4 жыл бұрын
Why does Tom always look like hes a school kid on a visit whenever he's wearing hi vis and a helmet
@jackwinterheld4335
@jackwinterheld4335 4 жыл бұрын
A quick thanks from a non-native English speaker. Your videos always having subtitles not only held me in for as long as I've watched your content, it also probably contributed to my understanding of English as a whole. A native brit complimented my speaking today, so I thought I'd let you know how much these little things matter :-]
@NateandNoahTryLife
@NateandNoahTryLife 4 жыл бұрын
The tops of the towers are further apart because of the curvature of the earth. That’s is awesome and really gives you a sense of the scale.
@lizardlegend42
@lizardlegend42 4 жыл бұрын
bUt ThE eArTh Is FlAt
@Yorick257
@Yorick257 4 жыл бұрын
Take this flat earth society!
@CheshireTomcat68
@CheshireTomcat68 4 жыл бұрын
@@lizardlegend42 The earth is Fiat? Ah, that explains the corrosion! ;-)
@notquiteaweebyet1054
@notquiteaweebyet1054 4 жыл бұрын
@@CheshireTomcat68 the earth being a fiat certainly explains why we're trying to get to mars
@Tik_taalik
@Tik_taalik 4 жыл бұрын
Flat earthers: *Angry mumbling*
@JuraIbis
@JuraIbis 4 жыл бұрын
"Corrosion cannot occur below 40% relative humidity" This is that time where you learn something that will remain with you for the rest of your life that's infinitely valuable
@JuraIbis
@JuraIbis 4 жыл бұрын
The ideal solution would be vacuum but alas hehe. I also enjoyed when someone said you cannot skid over water while driving below 60km/h. That also stuck.
@DKMTS
@DKMTS 4 жыл бұрын
@@JuraIbis Vacuum might cause other problems such as off-gassing. Things like leather, wood and paper would be extra brittle.
@John-lw7bz
@John-lw7bz 4 жыл бұрын
@@JuraIbis For some reason I think leather would not do well in a vacuum. Probably has some needed moisture and being in a vacuum will bring that out. I do suppose if you aren't continually removing moisture from the initial vacuum sealing then it'd be fine.
@heyjaypay4521
@heyjaypay4521 4 жыл бұрын
@@JuraIbis I don't think that comment about not skidding below 60km/h is correct.
@BeerDone
@BeerDone 4 жыл бұрын
The more you know! Thank you!
@yaricerruti8039
@yaricerruti8039 4 жыл бұрын
As an Italian who travelled over the Morandi bridge two hours prior to its collapse, I felt this video, especially the closing.
@NineEyeRon
@NineEyeRon 4 жыл бұрын
Q: So how do you stop your bridge falling down? A: We blow on the cables.
@justintempert2882
@justintempert2882 4 жыл бұрын
kerbls*
@kirstymca
@kirstymca 3 жыл бұрын
@@justintempert2882 Yes, it took me a while to figure that one out.
@SeanKH19
@SeanKH19 2 жыл бұрын
If it's good enough for my copy of Double Dragon, it's good enough for 17,000 tons of road.
@callumnewland9270
@callumnewland9270 Жыл бұрын
A good blow will fix a lot of things
@bt2555
@bt2555 4 жыл бұрын
People from Hull speak with a distinctive accent which can make certain expressions ambiguous. For instance, 'half hearted' can mean 'lacking enthusiasm' or 'I have just broken wind'.
@lukechapman8550
@lukechapman8550 4 жыл бұрын
B T we don’t really have a distinctive accent and only a small minority of us use them sentences.
@miguelbeedle3042
@miguelbeedle3042 4 жыл бұрын
@@lukechapman8550 we have a ridiculously strong accent
@TELBOYO10
@TELBOYO10 4 жыл бұрын
@@lukechapman8550 You don't have BT either.
@lukechapman8550
@lukechapman8550 4 жыл бұрын
Terry Dickinson unfollowed no
@monochrome_soft9472
@monochrome_soft9472 4 жыл бұрын
@@tangjtl499 read the comment again
@frazer26
@frazer26 4 жыл бұрын
I don’t feel so bad paying the toll price now
@Virolaxion
@Virolaxion 4 жыл бұрын
Motor bikers go free! Surely they should charge every other bike?
@civishamburgum1234
@civishamburgum1234 4 жыл бұрын
Tolls are theft!
@Lyle-xc9pg
@Lyle-xc9pg 4 жыл бұрын
Arent you giving away most of you money to the gov in the form of taxes anyway? In the UK
@Jako1987
@Jako1987 4 жыл бұрын
@@Virolaxion Two lines. One for evens and one for odds.
@ValleysOfRain
@ValleysOfRain 4 жыл бұрын
@@civishamburgum1234 Well in this case the tolls go towards the upkeep of the bridge, so no, no it isn't. You want to use the bridge, you should contribute to its maintenance.
@rodrigoappendino
@rodrigoappendino 4 жыл бұрын
Tom Scott nowadays: "How to stop a colossal bridge corroding" Tom Scott in 2013: "10 illegal things to do in London"
@Tomensnaben
@Tomensnaben 4 жыл бұрын
🎶We flew a kite in a public place🎶
@NetheriteMiner
@NetheriteMiner 4 жыл бұрын
so this is why KZfaq insisted that I watch this. because I watched 10 illegal things about 4 times.
@Sp00kq
@Sp00kq 3 жыл бұрын
@@Tomensnaben 🎶 we flew a kite in a public place 🎶
@sokonek1
@sokonek1 Жыл бұрын
Two drums a cymbal and a cliff
@froggygoblin6514
@froggygoblin6514 Жыл бұрын
​@spookq we flew a kite in a Publiccc place
@AlBert-vt2fc
@AlBert-vt2fc 4 жыл бұрын
The Ponte Morandi bridge in Genoa collapsed last year. Its cables are embedded in concrete in an "innovative" and aesthetic design that not only hinders inspection, but also has no redundancies.
@Robert-cu9bm
@Robert-cu9bm 4 жыл бұрын
Al Bert The bridge got privatised 20yr ago so maintenance became low on the list.
@rowanNClangley
@rowanNClangley 4 жыл бұрын
Concrete in tension is always a white knuckle subject. Totally dependent on the rebar, the pre-stressing, and of course the right stuff on the re-bar to prevent it slowly corroding away in the concrete.
@Keneo1
@Keneo1 3 жыл бұрын
Something similar happened to the aricebo telescope recently
@Keneo1
@Keneo1 Жыл бұрын
@Tin Watchman it had gotten an update when the bigger floating part was put on top
@Skeybar
@Skeybar 4 жыл бұрын
Watched a 5 minute video about corroding Kerbals. Would watch again.
@ZephyrGlaze
@ZephyrGlaze 4 жыл бұрын
Can't wait for them to go into space.
@maxnoerenberg6370
@maxnoerenberg6370 4 жыл бұрын
Kerbals are a mix between gerbals and cables.....I wonder how they managed to get them to mate ha ha
@TheMajkla
@TheMajkla 4 жыл бұрын
Gerbils
@Carewolf
@Carewolf 4 жыл бұрын
I was but worried about them cutting up about 5 meters of Kerbal... At least we now know why Kerbals are so short.
@scythal
@scythal 3 жыл бұрын
Nooo, not Jebediah!
@Skip6235
@Skip6235 4 жыл бұрын
Tom: “When it opened in 1981” Me: Oh, well that wasn’t that long ago Tom: “Nearly 40 years after it opened” Me: Oh my god, I am so old
@thelastcube.
@thelastcube. 4 жыл бұрын
ikr, 2020 is 6 months away Our perception of time is weird af
@antivanti
@antivanti 4 жыл бұрын
That must be incorrect. Everybody knows 1990 is roughly 10 years ago... always was, always will be...
@rewrose2838
@rewrose2838 4 жыл бұрын
@@antivanti Imma be 31 soon, time to add _'most painless way to commit suicide'_ to my bucket list
@DavidCowie2022
@DavidCowie2022 4 жыл бұрын
LENTE HORA, CELERITER ANNII (an hour passes slowly, the years pass quickly) is an inscription sometimes found on sundials. It gets bleaker with every passing year.
@lfewell2161
@lfewell2161 4 жыл бұрын
The older you get time does indeed travel more quickly, yet they say time travel is impossible, the people that say this must be young!
@shawniscoolerthanyou
@shawniscoolerthanyou 3 жыл бұрын
Tom: "There's only concern where infrastructure upkeep isn't done." Me, in the US: nods politely, begins sweating.
@brentsnocomgaming7813
@brentsnocomgaming7813 2 жыл бұрын
*Think of the I-10 bridge in Lake Charles, Louisiana where they've had to reduce it to 1 lane each way at 55 mph to reduce stress on the bridge because the main structural members are splitting, and the bridge has been pending a rebuild for 20 years due to lack of funding. Legitimately, that bridge could collapse catastrophically tomorrow.
@nob2243
@nob2243 2 жыл бұрын
@@brentsnocomgaming7813 I know, right? I mean, I don't really wanna get too political, but some people *_still_* act like the Infrastructure Bill - meant to upkeep and renovate the US freeways, railways, city infrastructure etc. - is just "reckless spending" and the "government being wasteful". It's like, come on, after the Florida condo collapse it became glaringly obvious how dire the situation is. Some of our structures hadn't been assessed or checked on since at least a dozen years
@travelinman70
@travelinman70 2 жыл бұрын
Mackinaw Bridge in Michigan...
@Lockhart2000
@Lockhart2000 2 жыл бұрын
To sum up a documentary I watched recently in my own words most of the dams in the US are going to fail soon due to old age and lack of upkeep.
@davidm5707
@davidm5707 2 жыл бұрын
It's far more important to give tax breaks to billionaires who already have more than they can spend in 100 lifetimes.
@mytube001
@mytube001 4 жыл бұрын
I like how the guy at 1 minute says "cables" so that it sounds like "Kerbals"! :D
@markm49
@markm49 4 жыл бұрын
The good old Hull('ull) accent.
@duel2edge
@duel2edge 4 жыл бұрын
Maybe I've lived in Hull too long but it just sounds normal to me
@Alice-sp5jd
@Alice-sp5jd 4 жыл бұрын
Sounds normal to me but I've never lived anywhere but Hull lmao
@unflexian
@unflexian 4 жыл бұрын
The good old Manley accent :D
@73APhotography
@73APhotography 4 жыл бұрын
A humble Tom on a Humber bridge...
@alek3827
@alek3827 4 жыл бұрын
A humble Tom on a Humber top..
@kairon156
@kairon156 4 жыл бұрын
That's what I call a humble bundle.
@ashleywilliams8515
@ashleywilliams8515 4 жыл бұрын
I don't comment much, but what I will say is this video is absolutely what I need! I travel on the bridge on weekdays and I wondered what work was going on!
@thelastcube.
@thelastcube. 4 жыл бұрын
Nice
@suchcone
@suchcone Жыл бұрын
I cycled across this bridge today and was wondering what the silver things were - I wondered if it was hydraulics to account for expansion and contraction, but this is fascinating!
@someguy6089
@someguy6089 4 жыл бұрын
"Steel does not rust below 40% humidity" That sounds like some game mechanic in Minecraft or whatnot
@idot3331
@idot3331 4 жыл бұрын
It's almost as if game mechanics are based off real life...
@Deneberus
@Deneberus 2 жыл бұрын
@@idot3331 Ah, I always forget about the fact that I can irl summon lightning with my enchanted trident to strike a pig in order to turn it into a zombie pig.
@samsunguser3148
@samsunguser3148 2 жыл бұрын
After 2 years. I am prepared to use this... /gamemode creative didn't work..
@MikkoRantalainen
@MikkoRantalainen 2 жыл бұрын
@@Deneberus You have an enchanted trident in real life??
@TijmenvandenHeuvel
@TijmenvandenHeuvel 4 жыл бұрын
It feels a bit odd that the noise reduction of the microphone is so good! We can clearly see its windy, but hear nothing of it, its rather uncanny
@KrikitKaos
@KrikitKaos 4 жыл бұрын
Dubbed over?
@jsalexjs22
@jsalexjs22 4 жыл бұрын
@@KrikitKaos certainly not, with the right equipment, cutting out wind noise entirely is relatively easy.
@JNCressey
@JNCressey 4 жыл бұрын
@@jsalexjs22, like fluffy mics?
@tildeballentin
@tildeballentin 4 жыл бұрын
I agree.
@laurencenoble3629
@laurencenoble3629 4 жыл бұрын
Also seems slightly off because the video is slightly out of sync with the audio. Only slightly though
@NateandNoahTryLife
@NateandNoahTryLife 4 жыл бұрын
That opening drone shot is amazing!
@zmast333
@zmast333 4 жыл бұрын
I wonder if it was difficult to get the permission to fly the drone there (considering there's car traffic in the bridge).
@ender10man
@ender10man 4 жыл бұрын
@@zmast333 I don't think so
@NathanJ2124
@NathanJ2124 4 жыл бұрын
I love the little glimpses we get into Tom’s process with the extra sound bites at the end of some of his videos: like in this video him saying what shot he’s going to get next and saying he’s happy with the take. Just a simple thing about Tom’s videos that I always enjoy. Keep up the good work as always Tom!
@jackandrew1995
@jackandrew1995 4 жыл бұрын
Lovely to see the Humber Bridge on a popular channel! Every day I get to see this wonderful feat of engineering and it makes me proud to be from Hull
@bDwS27
@bDwS27 4 жыл бұрын
It's funny how much fun this is learn about as someone who is not even close to being an engineer.
@bjarnes.4423
@bjarnes.4423 4 жыл бұрын
Flat-Earthers hate this Bridge
@jries77
@jries77 4 жыл бұрын
The bridge isn't real, this was all done on a movie set. 😉
@jries77
@jries77 4 жыл бұрын
@@thehiddenninja3428 Hahaha.
@jries77
@jries77 4 жыл бұрын
@AlexGRFan97 except it only proved to the people that already know the answer. It's like any ideology (for example religion) it will be resisted almost always, no matter how much data is presented.
@ConnorEhrgood
@ConnorEhrgood 4 жыл бұрын
@@jries77 Woosh!
@bridgefin
@bridgefin 4 жыл бұрын
Maybe the towers aren't exactly straight and THAT is why they are a few centimeters different.
@mohamedimardbrucelee8829
@mohamedimardbrucelee8829 Жыл бұрын
The Humber Bridge has a special place in my heart When we used to drive up to Bridlington from Cambridgeshire to visit family we'd always stop at the rest stop before the toll booth and enjoy a cup of tea and some Yorkshire ham rolls. Those were good times ❤
@Jestokost
@Jestokost Жыл бұрын
Fun fact: at 17,000 tons, this entire near-mile-long bridge is only 1/4 the empty weight of an aircraft carrier, and only 1/30th the weight of a fully loaded container ship.
@jamiefitzgerald153
@jamiefitzgerald153 Жыл бұрын
The deck between towers weighs 17000 tons, the entire Humber Bridge weighs over 500000 tons.
@InfiniteFox
@InfiniteFox 3 жыл бұрын
I'm form Germany and I did a 3 week long internship in Hull a couple of weeks after you went there. It's great seeing these shots again and kinda weird to know that I barely missed seeing you stand on a bridge that I was told about around a million times during my time at the city council
@davidemmyg
@davidemmyg 4 жыл бұрын
As much as I admire modern engineering, I am at awe with roman engineering that have structures still standing after two thousand years
@helentee9863
@helentee9863 2 жыл бұрын
They didn't use metal though, did they,stone and concrete doesn't corrode, it simply weathers slowly away
@MonkeyJedi99
@MonkeyJedi99 3 жыл бұрын
Every time that engineer said "cable" I heard "Kerbal". But other than that tiny accent thing, this was a FANTASTICALLY informative video about an aspect of bridge maintenance I would never have even thought of.
@bluestickystuff1184
@bluestickystuff1184 4 жыл бұрын
My grandparents live right by the bridge, and I’ve seen the rectangles going along the cables and wondered what they are, now I know! Thanks for a fantastic video!
@thelastcube.
@thelastcube. 4 жыл бұрын
Thanks, now I'll always have a sense of fright whenever travelling through any bridges not knowing it's history of maintenance
@AllTheArtsy
@AllTheArtsy 4 жыл бұрын
The construction of the bridge itself is amazing. The maintenance done is great as well. At least you know your tax is going somewhere it counts.
@owensmith7530
@owensmith7530 2 жыл бұрын
Except actually the Humber bridge is a complete waste of money since there is little of interest on the south side. Traffic volumes are still way below what was predicted. The entire bridge was a bribe by politicians looking to win a general election. They even created a new county called Humberside to cover both sides, but gave up on that after a few years. At the risk of insulting people on the south side, it is a bridge to nowhere. They should have stayed with the ferry. When this bridge reaches the end of its life it likely will not be replaced, unless the situation has changed dramatically. It's a fine bridge, shame they built it here.
@jasonreed7522
@jasonreed7522 2 жыл бұрын
@@owensmith7530 as someone raised in the middle of nowhere NY, most of us know its the middle of nowhere and its not really an insult. (Personally i prefer the middle of nowhere to urban and suburban but to each their own) Edit: looking at the area on Google earth you are 100% correct, the area south of the bridge is mostly farm country. And about 17km / 10mi upstream the river forks (merges?) And those 2 rivers would definitely be much easier to bridge over. Personally i would say a 10mi drive is almost nothing, it would add about 20 min to your trip to detour to, so a ferry would just have to beat that in frequency to be more convenient, realistically the drive would be a bit longer since i just followed the center of the river and not the road network. It also looks to be the only bridge from their to the ocean, which is about 40km down stream, its hard to tell when UK rivers tend to get super wide and not have a distinction between river and bay. (I was shocked to learn the massive bay between whales and Cornwall is considered a river for its entirety)
@owensmith7530
@owensmith7530 2 жыл бұрын
@@jasonreed7522 The Humber estuary is too wide to bridge anywhere further downstream than this bridge. Also the water is fast flowing and the river bed constantly shifting, so more modern bridge designs like cable stay with multiple piers are not possible on this river.
@over00lordunknown12
@over00lordunknown12 4 жыл бұрын
I started watching your channel in 2016 and I’m glad to see that you are still making content and still seem just as interested in the topics you talk about.
@LeoStaley
@LeoStaley 4 жыл бұрын
As an American living with a crumbling infrastructure, this terrifies me.
@IkeOkerekeNews
@IkeOkerekeNews 4 жыл бұрын
A solution to your crumbling infrastructure terrifies you? What?
@LeoStaley
@LeoStaley 4 жыл бұрын
@@IkeOkerekeNews no, the thing that terrifies me is that we don't spend money on infrastructure, and thus don't employ solutions like this.
@nicklamb1454
@nicklamb1454 4 жыл бұрын
Actually you do. Dehumidification systems have recently been fitted to the Cheapeke Bay Bridge, the Delaware Memorial Bridges, 10th Street Bridge in Pittsburgh and the Angus L MacDonald Bridge in Halifax, NS.
@nicka731
@nicka731 4 жыл бұрын
Nick Lamb 9% of bridges in the U.S. (over 50,000) are classified as 'structurally deficient' and our infrastructure is graded at a D+ (but 4 bridges got fixed, only 49,996 left to fund)
@davidha44
@davidha44 3 жыл бұрын
@@nicklamb1454 let's not pretend Americans know what Nova Scotia is
@Armuotas
@Armuotas 4 жыл бұрын
"The bridges elsewhere in the World that aren't inspected..." *cough *cough Morandi Bridge, Italy... *cough
@TheOdst219
@TheOdst219 4 жыл бұрын
Ah Italy, birthplace of the largest empire in Antiquity, great food, great art, and cant build bridges or win wars.
@swissone_
@swissone_ 4 жыл бұрын
Came looking through the comments for ponte Morandi, was not disappointed.
@andrerenault
@andrerenault 4 жыл бұрын
I haven't heard of it, someone want to brief me? I have a feeling Google won't be brief
@herlescraft
@herlescraft 4 жыл бұрын
@@andrerenault A highway bridge colapsed due to corrosion in Genova, a major city in Italy, currently that segment of the highway is unaccessible limiting the traffic from the southern part of france.
@swissone_
@swissone_ 4 жыл бұрын
turbodeeznuts The bridge in Genova, Italy collapsed exactly because this sort of care was not taken and there was apparently corrosion found in the cables and support structure.
@Benderboy121898
@Benderboy121898 4 жыл бұрын
New drinking game: Take a shot every time you hear; "Kerbel"
@sixstringedthing
@sixstringedthing 4 жыл бұрын
The name of the game is "Kerbal Spares Progrum".
@BeerDone
@BeerDone 4 жыл бұрын
Human engineering is absolutely amazing. Thank you, Tom, your channel is one of the few I watch almost religiously! Almost, because it's more rational to watch them for the details :)
@kriijan3747
@kriijan3747 4 жыл бұрын
Your videos always teach me something I didn't think I should have known. Thanks Tom.
@MrDidzz
@MrDidzz 3 жыл бұрын
I'm very proud to say that both my grandad and dad worked on the Humber Bridges construction. My dad was actually on the crew that worked on the cables and wrapped them (I think)
@littleseal833
@littleseal833 4 жыл бұрын
Oooohhh I'm glad you're up there, not me ! Great video as always
@damionlee7658
@damionlee7658 4 жыл бұрын
It is wonderful that you get to make videos like this to share these things with us. We used to have Tomorrow's World, Panorama, QED, and the Open University evening broadcasts for content like this. Whilst much of those still exist (BBC should hang its head in shame for what it did to Tomorrow's World), Tom Scott is definitely high up on the informative broadcasts list now. I look forward to your future series on Netflix /Prime /That new BBC-ITV streaming service, or wherever... Even if it just remains KZfaq.
@sea2side
@sea2side 4 жыл бұрын
Thankyou Tom. Keep going, learning from you is always a pleasure.
@dcallan812
@dcallan812 4 жыл бұрын
Sod that for a day at work. It made my knees wobbly just watching you up the tower.
@stevejones9062
@stevejones9062 4 жыл бұрын
You actually get used to the height fairly quickly if you are doing it all day.
@UDumFck
@UDumFck 4 жыл бұрын
A 2019 video on bridge corrosion ... was expecting at least a passing reference to the Morandi Bridge disaster in Genoa.
@thelastcube.
@thelastcube. 4 жыл бұрын
Italy strikes again!
@jackwright7014
@jackwright7014 4 жыл бұрын
You have an amazing job Tom, visiting all these places and learning at the same time. Awesome content I learn so much.
@388Penguin388
@388Penguin388 3 жыл бұрын
Everything about this video is utterly fascinating! I learn so much from Tom Scott and his videos.
@mynameisosca
@mynameisosca 4 жыл бұрын
Im just impressed of the sound quality with all that wind
@mattygerbil123abc
@mattygerbil123abc 4 жыл бұрын
Wonder how many people are purely commenting on this because they're from Hull...
@ro5alia
@ro5alia 4 жыл бұрын
Matthew Marsden it’s not often we get something about the positives of Hull
@mattygerbil123abc
@mattygerbil123abc 4 жыл бұрын
@@ro5alia surprised there hasn't been a documentary on the spice heada of Queens Gardens yet to be honest!
@AbigailPoirier
@AbigailPoirier 4 жыл бұрын
Neato! The bridges where I live are cable-stayed, it was cool to see a true suspension bridge. It's hard to believe just how HUGE those cables are!!
@mikeluit3027
@mikeluit3027 Жыл бұрын
Awesome bridge design, with excellent inspection technique.
@pervasivedoubt150
@pervasivedoubt150 2 жыл бұрын
Something I never expected is the 24hr requirement of an air pump system to maintain a bridge! Thanks for the education
@TWX1138
@TWX1138 4 жыл бұрын
Helps a bit that the architect didn't design the bridge to use concrete in-tension and to bury the steel directly within the wet concrete such that it could not be accessed. The wedge-open procedure doesn't sound like the most wonderful thing in the world but it still sounds a far sight better than having to break open concrete or find where oxide jacking has exposed the cable for you.
@Manks08
@Manks08 4 жыл бұрын
I wasn't expecting to see you produce a video on something from my neck of the woods, it was a nice surprise. I passed over the bridge the other day, I wondered what was happening on the wires. Nice to know they're still going strong.
@L3X1N
@L3X1N 4 жыл бұрын
The way that guy pronounces his Ts is really pleasant. I had no idea some people could casually enunciate a consonant that hard.
@ExtantThylacine
@ExtantThylacine 4 жыл бұрын
What do suspension bridges and space programmes have in common? Kerbals!
@nazamroth8427
@nazamroth8427 4 жыл бұрын
Corrosion prevention idea: Coat the entire bridge in dehumidifier flakes from shoeboxes. As a bonus, give a massive boost to the shoe industry.
@Ecupable
@Ecupable 4 жыл бұрын
This was completely new to me, and surprisingly interesting. I love that you make videos like these, please keep it up Tom!
@tigerlilydaley1134
@tigerlilydaley1134 4 жыл бұрын
I live 5 minutes away from the Humber Bridge I'm so glad you did a video on it!!!
@seraaron
@seraaron 4 жыл бұрын
Ah yes, I too have a colossal bridge that I'd like to stop corroding, so this is just the video I was looking for. Thanks!
@666Tomato666
@666Tomato666 4 жыл бұрын
next thing you'll say that this was just pre-sale maintenance, won't you?
@Hatecrewdethrol
@Hatecrewdethrol Жыл бұрын
Growing up in the San Francisco Bay Area and seeing the Golden Gate at least once a day its so easy to forget that bridges like this are not all that commplace
@benbexson
@benbexson 4 жыл бұрын
Funnily enough I was driving along the a63 today and wondered what all of the scaffolding etc was for. Now I know cheers Tom
@williamresham703
@williamresham703 4 жыл бұрын
Great video. Very interesting about the humidity. Gives you lots of followup potential w/bridges that don't properly maintain their moneymakers. Or any italian bridge circa 1960 - 1980, wherein they often encased the steel structures in concrete, similar to Humber. Great drone shot at the end too.
@alexandermallinckrodt2847
@alexandermallinckrodt2847 4 жыл бұрын
Tom gets me to his video so quick it’s only 3 seconds after upload.
@GryphLane
@GryphLane 4 жыл бұрын
Except that it's queued up for publication a week or more in advance 😉
@Sam42069
@Sam42069 4 жыл бұрын
Gryph Lane woosh
@thelastcube.
@thelastcube. 4 жыл бұрын
@@GryphLane this time it was a couple of days, not a week Ha!
@DEAN0795
@DEAN0795 2 жыл бұрын
Being from Hull I can’t count the amount of times I’ve driven over this bridge and now I know a bit more about it
@benjohnson6251
@benjohnson6251 4 жыл бұрын
So cool! Didn't know this much went into maintaining it! Love these behind the scenes of civil engineering videos!
@philiplewis7252
@philiplewis7252 Жыл бұрын
This is absolutely fascinating! Great film.
@itaybron
@itaybron 4 жыл бұрын
this feels like something out of the Discovery channel (before they went all weird)
@aotoda486
@aotoda486 3 жыл бұрын
2:04 _Hexagons are the bestagons_
@Allstarsoftware
@Allstarsoftware 4 жыл бұрын
Watching from Hull, great video !
@dixie_rekd9601
@dixie_rekd9601 4 жыл бұрын
same! :D
@MattDrane
@MattDrane 4 жыл бұрын
I always love tome videos that show the expertise we have in The uk and beyond that allow us all to go about our day to day.
@ToxicSocks24
@ToxicSocks24 4 жыл бұрын
Tom, South African plugs are the best, they've got all the same features, but the fronts are blunt, so they hurt less when stepped on
@GringatTheRepugnant
@GringatTheRepugnant 4 жыл бұрын
I’m glad you came up to visit us! You’re covering The Deep next, right?
@beethreefour
@beethreefour 4 жыл бұрын
Nathaniel Little i’d so watch a Tom video about how they keep that ice wall frozen
@peter_smyth
@peter_smyth 4 жыл бұрын
2:37 I've seen pipes like those o the Severn Bridge and wondered what they were for. It's great to finally find out.
@kyouzou8114
@kyouzou8114 4 жыл бұрын
I love the infrastructure videos! It's a great look into something that I don't think we often think about.
@jbkjbk1999
@jbkjbk1999 4 жыл бұрын
That is some impressive wind reduction. Thought you were ADRing it at the start.
@AlexAlex
@AlexAlex 4 жыл бұрын
Won't corrode if you leave it in a shoebox under the bed
@manjensen1710
@manjensen1710 4 жыл бұрын
*Harvard wants to know your location*
@oxybrightdark8765
@oxybrightdark8765 4 жыл бұрын
Won’t hold up the bridge either
@Huntracony
@Huntracony 4 жыл бұрын
@@oxybrightdark8765 Let's think inside the box here--build a shoebox around the bridge, build a bed on top, and voilà, a bridge that won't corrode.
@quantumbracket6995
@quantumbracket6995 4 жыл бұрын
specially if its the world cup
@reddragon3132
@reddragon3132 4 жыл бұрын
Well it will corrode, you just won't notice or care
@bobstephens5599
@bobstephens5599 4 жыл бұрын
Those drone shots are amazing.
@HLGAM3R
@HLGAM3R 4 жыл бұрын
Very interesting video! The accent of the bridge builder is interesting as well. His "cable" almost sounds like "Kerbel/Chervil". Thanks to all involved for making this happen!
@Jame5man
@Jame5man 3 жыл бұрын
This video has renewed my concern for the Ambassador Bridge between Windsor, Ontario and Detroit, Michigan. I don’t think it has ever received proper inspection of its cables and it’s 92 years old and has been known to be in horrible, almost hazardous, condition for over 20 years. Hooray for private companies Historically the company who owns it has heavily restricted access for inspection by both MDOT and Transport Canada. They are notorious in the Windsor-Detroit area for their cheapness, disregard for the neighbourhoods near the bridge and willful ignorance of the hazards the bridge poses. This is why the Ontario and Michigan governments are building a new bridge.
@fuckyshityfuckshit
@fuckyshityfuckshit 4 жыл бұрын
I watched a video of some teenagers climbing this bridge on KZfaq. Absolute madladism.
@karl5874
@karl5874 4 жыл бұрын
Awesome video as always. Toms channel today is what discovery channel was to me when I was a kid - interesting and inspiring.
@lddixon2087
@lddixon2087 4 жыл бұрын
IT'S TOM BLOODY SCOTT ON THE HUMBER BLOODY BRIDGE! Drove past wishing I knew what they were doing under those white sheets, and now I know thanks to you! Awesome
@riccardoorlando2262
@riccardoorlando2262 4 жыл бұрын
"Other bridges aren't doing so well" Like the Geneva bridge here in Italy. It collapsed.
@Fakkio2
@Fakkio2 4 жыл бұрын
That bridge was in Genoa, not Geneva.
@abbiemielczarek4807
@abbiemielczarek4807 4 жыл бұрын
OMG you were in hull?! Really wish I’d have known!!
@krashd
@krashd 4 жыл бұрын
You thought about rescuing him too?
@DimJongUn
@DimJongUn 4 жыл бұрын
You might have my favorite channel on KZfaq. Keep up the great vids
@Cadwaladr
@Cadwaladr 4 жыл бұрын
Mr Mawson has a fantastic accent. I love northern England.
@peanuts2105
@peanuts2105 4 жыл бұрын
Lad
@FabbrizioPlays
@FabbrizioPlays 3 жыл бұрын
Minneapolis checking in. The 35W bridge collapse was, for us, one of those "where were you when it happened?" moments. Now when we see a bridge appear to lack maintanence or fall into visual disrepair, a collective unease grips the city. Leadership is still letting it happen. The 10th Avenue bridge is a worrying sight right now, and while it is receiving some updates at the moment, these updates appear completely cosmetic. As far as I know, nothing is being done to renew the foundation. It's a 91 year old bridge with the Mississippi River nipping at its supports. The 35W bridge was half that age when it met its fate. I wish they'd just build a new one. It would be expensive and inconvenient, but nobody wants a repeat of 2007's tragedy. And it looks like we're going down that path at full speed.
@ketsuekikumori9145
@ketsuekikumori9145 4 жыл бұрын
Damn it, I miss Dirty Jobs. Would've loved to see cable inspection process itself.
@DarthTella
@DarthTella 4 жыл бұрын
They should bring it back with Tom as the host!
@rjhornsby
@rjhornsby 4 жыл бұрын
1Slamalama1 yep. They tried doing Dirty Jobs while obviously avoiding being Dirty Jobs (Discovery owning the IP, brand, etc) and it didn’t work as well. Hard to know how much CNN dumbed the show down, but it always felt as if it was missing the - spirit? of Dirty Jobs.
@adenlamb9916
@adenlamb9916 4 жыл бұрын
Its not exactly exciting. Did this job on the forth road bridge last year. A lot of swinging sledge hammers for hours on end and not much else
@frzstat
@frzstat 4 жыл бұрын
@@DarthTella Tom and Matt - Dirty Jobs International. It would be awesome!
@MsQueenOfDance
@MsQueenOfDance 4 жыл бұрын
Fantastic drone shots
@elYisusdelaNazza
@elYisusdelaNazza 3 жыл бұрын
I don't know if I love Tom's enthusiasm more than the astonishing drone footage in his videos. Maybe fifty-fifty
@kylosalvesen
@kylosalvesen 4 жыл бұрын
"It was thought that would be sufficient" ooooh boy, here comes the reason why it wasn't
@thelastcube.
@thelastcube. 4 жыл бұрын
they jinxed it
@christopherweeks89
@christopherweeks89 4 жыл бұрын
Thought that was a bus on the cable 2:50
@LiquidSandwich
@LiquidSandwich 4 жыл бұрын
@M M I’m just imagining a GTA 5 mod that goes horribly wrong, where a bus goes a couple hundred meters off the path. Vertically. And the driver inside is perfectly calm
@britzwickit
@britzwickit 4 жыл бұрын
as always, quality! you have some great connections!
@tergy
@tergy 3 жыл бұрын
I couldn't find a tutorial anywhere! Thank you so much
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