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marcus knowles

High School Bridge Building

April 5, 2024April 21, 2015 by marcus knowles

We started our bridge program last year in my beginning engineering and manufacturing classes. I wanted to make a bridge that was very complicated with simple rules that required them to have to work on the mathematics of the bridge. I wanted to stress the strength of the truss design, so within the rules, I made it … Read more

Categories Examples Tags reader submitted 1 Comment

Verrazano Narrows Bridge

March 31, 2024February 6, 2015 by Andrew
Verrazano Narrows Bridge

I decided, for the 50th birthday of the Verrazano Bridge, to put together a model. I always loved the bridge; I lived in its shadow in Brooklyn for years and now live on Staten Island, so I use it often. Being a 2 year dad, I get little time to work on it, and when … Read more

Categories Examples Tags reader submitted, suspension bridge 1 Comment

Classic ‘K-Truss’ Bridge Design (Balsa Wood)

March 31, 2024January 19, 2014 by Matt Feldman

For this balsa wood bridge, I used a ‘K-Truss’ design with seven vertical members and 6 ‘K-Trusses’ per side. The K’s were the most challenging part of the build, because I had to calculate each ones length, and the approximate measure of the angle I had to cut into each one. All in all, the … Read more

Categories Examples Tags balsa/basswood, k-truss, reader submitted 9 Comments

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Recent Comments

  1. Gabby on Forces that Act on BridgesMay 17, 2026

    This was very helpful! But I definitely think having more info would help more people. But for me, it was…

  2. Luis on 100 Stick Popsicle Bridge: 21″ Howe TrussMay 7, 2026

    probably,im doing the same thing rn too,ill let you know

  3. James on Popsicle Bridge Building TipsMay 4, 2026

    Mr. Garrett, I would like to ask a question for a project. I have to support a load at one…

  4. javier on Popsicle Bridge Holds 500 lbs.May 4, 2026

    Yes, this was very helpful. The use of numerous triangles is key.

  5. helpful steve on Forces that Act on BridgesApril 29, 2026

    basically its when there are two opposing forces acting on the same point

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