35 votes

Norwegian bridge collapsed ten years after it was built – all because designers focused too much on making it look good

15 comments

  1. [7]
    Noox
    (edited )
    Link
    Here's a before picture from a comment in the article. Maybe I'm not bridge-savy enough to see the ""beauty"" here, but I don't really like the look of the bridge.... You'd think if they valued...

    Here's a before picture from a comment in the article.

    Maybe I'm not bridge-savy enough to see the ""beauty"" here, but I don't really like the look of the bridge.... You'd think if they valued aesthetics over structural safety it'd at least be cool looking....

    Edit: @PleasantlyAverage posted a few pics that make the bridge look a lot more aesthetically pleasing, or at least not as awful as the pic in the comments of the article. Here's the link to their comment in case anyone else wants to give bridge-y here another chance :p

    19 votes
    1. GunnarRunnar
      Link Parent
      It looks like one of the first bridges you build in a bridge builder game.

      It looks like one of the first bridges you build in a bridge builder game.

      18 votes
    2. Crimson
      Link Parent
      If that's what it takes to build an aesthetic bridge I guess I'm moving to Norway to design bridges

      If that's what it takes to build an aesthetic bridge I guess I'm moving to Norway to design bridges

      9 votes
    3. Minty
      Link Parent
      It seems to me the goal was the "beauty" of "minimalism", and reusing two existing foundations, so they skipped on adding a third support. At least that's what I gather from the article. Ended up...

      It seems to me the goal was the "beauty" of "minimalism", and reusing two existing foundations, so they skipped on adding a third support. At least that's what I gather from the article. Ended up with two asymmetrical supports instead of awkward 2+1. But I don't know, I don't do bridges.

      7 votes
    4. [2]
      PleasantlyAverage
      Link Parent
      I think that image makes it look worse than if viewed in person. Few examples: https://www.moelven.com/contentassets/e3cbae98206a40919debf74f63eb4619/tretten--bru-8-3.jpg...
      7 votes
      1. Noox
        Link Parent
        Alright I concede, I guess that commenter found a particularly unflattering picture - it's not as bad in your pics! Edit: I've edited my original comment with a link to yours, for fairness' sake hah

        Alright I concede, I guess that commenter found a particularly unflattering picture - it's not as bad in your pics!

        Edit: I've edited my original comment with a link to yours, for fairness' sake hah

        4 votes
    5. OBLIVIATER
      Link Parent
      Maybe it had a nice personality

      Maybe it had a nice personality

      4 votes
  2. [7]
    blivet
    Link
    There’s got to be more to the story, or maybe something was lost in translation. This bridge looks really basic and functional. It’s hard to believe that anyone involved in its design got carried...

    There’s got to be more to the story, or maybe something was lost in translation. This bridge looks really basic and functional. It’s hard to believe that anyone involved in its design got carried away by an aesthetic vision.

    16 votes
    1. [3]
      json
      (edited )
      Link Parent
      Purely based on the photo linked in the other comment, and a cursory read of Wikipedia for materials used. I imagine the beauty is based on fitting in within the environment and being minimally...

      Purely based on the photo linked in the other comment, and a cursory read of Wikipedia for materials used.

      I imagine the beauty is based on fitting in within the environment and being minimally imposing.
      The use of glulam (wood), weathered steel (rust appearance), and stone piers make it look like an old bridge.
      The curve and tapered top of the truss also helps reduce its visual impact.

      It fits in better than a generic white concrete & grey steel bridge.

      I would like to see pictures of what it replaced. Wikipedia says there was 1895-built steel truss bridge.
      Found: https://digitaltmuseum.no/021015802088/tretten-bru-over-gudbrandsdalslagen-i-1895

      15 votes
      1. [2]
        balooga
        Link Parent
        What? That's a beautiful bridge! Way more aesthetically pleasing than this one was. And it lasted, I assume, 115+ years?

        What? That's a beautiful bridge! Way more aesthetically pleasing than this one was. And it lasted, I assume, 115+ years?

        7 votes
        1. Noox
          Link Parent
          What the hell that's such a nice looking bridge!! Getting real Ecce-Homo vibes from this whole situation...

          What the hell that's such a nice looking bridge!! Getting real Ecce-Homo vibes from this whole situation...

          3 votes
    2. [3]
      json
      Link Parent
      Also: more to the story, from HN:

      Also: more to the story, from HN:

      Tretten Bridge was designed while building regulations in Norway were in transition from a national system to European codes.
      Provisions for this transitional period enabled the project to follow the older national standards, which unlike the Eurocodes did not account for block shear failure.
      https://news.ycombinator.com/item?id=40016593

      5 votes
      1. [2]
        KapteinB
        Link Parent
        Was that not mentioned in this article originally? Maybe it was edited at some point. Final paragraph:

        Was that not mentioned in this article originally? Maybe it was edited at some point. Final paragraph:

        At this time, projects in progress were permitted to work to the older regulations, and that’s exactly what the team behind the Tretten Bridge followed. The investigation touched on this as well, stating that “all the involved parties can be criticized” for their decision to work within outdated frameworks.

        3 votes
        1. json
          Link Parent
          You're right. But the other provides this part which, idk, I'm not an engineer to understand whether it's even relevant.

          You're right. But the other provides this part which, idk, I'm not an engineer to understand whether it's even relevant.

          which unlike the Eurocodes did not account for block shear failure.

          3 votes
  3. trobertson
    Link
    There's a video from a year ago I watched about this bridge, it has a lot of engineering info about what happened. How did the Engineers Miss This? https://www.youtube.com/watch?v=FSPI0xkTifI

    There's a video from a year ago I watched about this bridge, it has a lot of engineering info about what happened.

    How did the Engineers Miss This? https://www.youtube.com/watch?v=FSPI0xkTifI

    4 votes