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." ...
CEE 4213 - Structural Concrete Design Introduction to design ... Covers analysis and design of prestressed concrete beams, slabs, box girders, and bridge girders by elastic and ultimate strength ...
The existing structure was built in 1940 and is a one-span concrete T-beam bridge supported on full-height concrete abutments at a 45-degree skew. The bridge length is approximately 48 feet.