To make an effective truss it’s crucial to build it in triangular structures. You can test this for yourself by building little model bridge support pieces out of popsicle sticks.

To determine this angle, I suggest you build a tiny model of your bridge or make a detailed scale drawing. My guess is you’ll discover a 35-degree angle is perfect.

Remember the Erector Sets you played with as a kid? Retiree Frosty Wyrick took that pastime to a new level by building a scale model of the Mackinac Bridge which connects Michigan's Upper and ...

Few engineering projects have the scope, costs or risks involved in building a new bridge. San Francisco Bay Area residents got a peek at what's involved, when builders place the first segment of ...