A beam or "girder" bridge is the simplest and most inexpensive kind of bridge. According to Craig Finley of Finley/McNary Engineering, "they're basically the vanillas of the bridge world." ...

A beam or "girder" bridge is the simplest and most inexpensive kind of bridge. According to Craig Finley of Finley/McNary Engineering, "they're basically the vanillas of the bridge world." ...

To better understand the challenges of bridges, we've created interactive 3D models below that reveal the key factors ...

The design of structural bridge elements like columns, beam-column joints, and cap beams has changed tremendously over the past 30 years. Many experimental tests have been done in order to determine ...