The Interstate 35 bridge that collapsed in Minneapolis was a truss bridge, one of six main bridge types. Here's a quick look at the different types: A truss bridge is a bridge composed of connected ...

Today, Black Bridge carries trains over the Codorus Creek as railroad traffic moves between York and Emigsville. This bridge is a prominent feature viewable from the new section of the rail trail, ...

Truss bridges have a long pedigree. The first ones were made of wood and erected in various European countries at least as early as the 16th century. Beginning in the late 1700s, many of them were ...