The farther apart its supports, the weaker a beam bridge gets. As a result, beam bridges rarely span more than 250 feet. This doesn't mean beam bridges aren't used to cross great distances—it ...

What is a cantilever in the first place? Wikipedia puts it simply: "A cantilever is a beam anchored at only one end." The longer the span, the cooler it looks! Below are 5 cool cantilevers to give you ...

Beam bridges typically span up to 250 feet, and they're also the cheapest and easiest bridges to build. Congrats -- you've just made a lot of rollerbladers and bikers very happy!