All Design Articles

Science Olympiad, the Aftermath

My first event was Circuit Lab, which I don’t know much about. My partner ended up doing most of the work, I helped connecting wires when I could.Rocks and Minerals went okay, or so I thought. Ended up with 7th. My tower broke too soon, weighing 6.5 and only holding 6.8kg. At least I worried McIntosh for a little while. The thought actually came to me to try and fix the problems with my tower, and test it at home. […]


Toothpick Bridges

Many people come to GarrettsBridges looking for advice on building a toothpick bridge. And though I have thought much about it, I have not attempted to build one yet. Here is a father who’s son made a toothpick bridge. He discusses how to design and build a toothpick bridge, and also has good photos. The Toothpick Bridge A teachers website about toothpick bridges. Includes sample plans. WCHS Bridges This is a toothpick bridge building competition. Includes tips and pictures. Hey, […]


Truss Design

Learn all the main types of trusses used in real bridges, and see how to apply them to model bridges. Learn the history of each common truss design. This page is designed to help you make an educated decision about what truss design you should use on your bridge.


Video: Build A Model Bridge

This is the absolute best video I have seen about building model bridges. Roy Coleman, the founder of the International Bridge Building Contest, gives a very informative presentation in this video. The presentation is over an hour long. He shows how to build a bridge from scratch. He is gearing his video towards the…


Warren Truss

The Warren Truss was patented by James Warren in 1848. It has been around a while. It is one of the most popular bridge designs and examples of it can be found everywhere. The Warren Truss uses equilateral triangles to spread out the loads on the bridge. This is opposed to the Neville…


What Bridge Design Holds the Most Weight?

Probably the question I get asked the most is “What bridge design holds the most weight?” or “What bridge design is the strongest?”

The answer to that question is not simple and probably is not going to be what you expect. The truth is, I cannot answer the question. There are too many variables that are not being defined.


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