What's that Infrastructure? (Ep. 1 – Transportation Infrastructure)

April 14, 2020



Yes, he can get nerdier! Submit your photos of interesting infrastructure here:

Let me know what you think of this new series – What’s that Infrastructure? – where we divulge and discover the man made world around us. Answers below (don’t cheat!).

1. Tactile Paving (
2. Breakaway Sign Post (
3. Bridge Protective Assembly ( PDF WARNING!)

Thanks for watching, and let me know what you think!

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Music: Elexive – Valley Santa (

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All Comments

  • one site that I have seen… 11foot8.com is a bridge that has been hit so many times they have a sacrificial I-beam in front of the bridge to protect it, when they ignore the multiple signs, warning light, and automated sign (and it has cameras to record them too)

    Adam Webster April 14, 2020 9:40 pm Reply
  • It would be interesting in focusing in on the issue of truck hitting bridges. I just don't understand why there aren't hanging clearance signs above the road that will literally hit trucks that are too tall in time for them to stop.

    Arthur Hamlin April 14, 2020 9:40 pm Reply
  • I'd like more of this series, please.

    Doxie Lain April 14, 2020 9:40 pm Reply
  • sadly, we don't have bridge protection for vehicle collision in my country or drinkable tab water

    rayen ochi April 14, 2020 9:40 pm Reply
  • I can always tell a video is from Texas just by looking at the distinctive overpasses lol

    BlindMango April 14, 2020 9:40 pm Reply
  • Kool

    calvinthedestroyer April 14, 2020 9:40 pm Reply
  • We need the bridge protection here in Boston! Every year moving trucks ram the overpasses/tunnels on Storrow Dr., no matter how many signs are up specifically saying moving trucks are too tall. Just found your channel and am so happy I did!

    SiriusScientist April 14, 2020 9:40 pm Reply
  • Sir plz talk us about how to estimate of infrastructure work like road, drain, sewage, manhole, pipe line etc… plz plz plz….. plz plz plz….. plz plz plz….. plzzzzzz sir

    sahinoor rahaman April 14, 2020 9:40 pm Reply
  • Nice

    MD Sium April 14, 2020 9:40 pm Reply
  • Great channel Grady ! I run a construction company out of cleveland, ohio. We do concrete much of the year and your videos have sure gave me some knowledge . Appreciate very much and looking forward to more vids !

    Ryan Durda April 14, 2020 9:40 pm Reply
  • I don't know of a bridge with a more robust protection system then the 11Foot8 bridge in Durham, NC. Protective beam, warnign signs, lights. and this montage will show you just how important they are.

    https://www.youtube.com/watch?v=9k319Qfm01A
    https://www.youtube.com/user/yovo68/videos

    babybalrog April 14, 2020 9:40 pm Reply
  • speaking of bridge protection, you should check out https://11foot8.com/

    Crypt1cmyst1c April 14, 2020 9:40 pm Reply
  • The song in this intro is Exexive – salem valley

    Kim Phillips April 14, 2020 9:40 pm Reply
  • Some of the walls where I live have giant steel nipples.

    Tomartyr April 14, 2020 9:40 pm Reply
  • Some of the walls where I live have giant steel nipples.

    Tomartyr April 14, 2020 9:40 pm Reply
  • I guess GTA and it's flimsy sign and lamp posts aren't as unrealistic as once thought.

    commander31able April 14, 2020 9:40 pm Reply
  • I learn a few things today here. Thanks for sharing !

    brainfornothing April 14, 2020 9:40 pm Reply
  • Hello Grady,
    I do you know what is "ATE" for design of bridges. I couldn't find out a relevant full-form for it. Advanced Test Equipment is close enough. The term comes from a bridge engineering examination syllabus. Thanks for any help.

    Open AEC 2D & 3D April 14, 2020 9:40 pm Reply
  • I used to anyalize concrete cores that were taken out of bridges. Don't follow a heavy semi-over an old concrete bridge in the North.

    Tom Cool April 14, 2020 9:40 pm Reply
  • Love your cat! 🙂

    Big Jim April 14, 2020 9:40 pm Reply
  • Stobie poles. South Australia represent with out edge of the road death traps.

    Although to be fair they were designed to deal with the ultra harsh climate and killer termites and were built before people did road races around backstreets in sports cars. And now any new things are the breakaway designs.

    Brett Symons April 14, 2020 9:40 pm Reply
  • Simon Patten, Chair of the Wharton School of Business, called Public Infrastructure the “Fourth Factor of Production”
    By keeping rent-yielding infrastructure in the public domain, Public Investment would reduce the economy’s overall price structure, lower the cost of doing business & increase international competitiveness.

    Vilhelmo De Okcidento April 14, 2020 9:40 pm Reply
  • Great idea for a show!! ! I am an advocate in Vancouver for skyTran.com This is pegged to make as much of an impact as the auto but without congestion or urban sprawl. See my video tramwaypods.ca ( on top). you may be interested as infrastructure is not just route like a train but grid like buses and inexpensive to set up

    Steve Pelman April 14, 2020 9:40 pm Reply
  • Amazing channel😍

    Ali April 14, 2020 9:40 pm Reply
  • “That’s called a road”

    Donovan Campbell April 14, 2020 9:40 pm Reply
  • 1:45 I've noticed those increasingly being used. And I surmised that's what it was for.

    And…Are you in San Antonio? All that looks very familiar. I'd be certain if I could get a glimpse of miles and miles of never-ending construction.

    Pteromandias April 14, 2020 9:40 pm Reply
  • Tell you what I think? Alright I shall. You sir are fantastic! You make us engineers look good! Thank you.

    Bill Swingle April 14, 2020 9:40 pm Reply
  • Love your videos man. So much insight on the engineering all around us.

    Joshua Reed April 14, 2020 9:40 pm Reply
  • Can make video on Burj Khalifa construction

    Shahid Afridi April 14, 2020 9:40 pm Reply
  • On some of the bridges in my city we just have a i beam a few centimetres in front of the bridge

    Vincenzo The Gamer April 14, 2020 9:40 pm Reply
  • But how do the breakaway signs work…

    Chad Thundercock April 14, 2020 9:40 pm Reply
  • That’s amazing about the carbon fibre

    db p April 14, 2020 9:40 pm Reply
  • This is informative

    Taseen Farooq April 14, 2020 9:40 pm Reply

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