STEEL BEAMS

Most steel beam bridges in Ohio consist of four or more lines of beams which are continuous over the piers (no joints except at the ends/abutments).  The steel beams consist of either rolled, wide flange beams or built-up girders (for longer spans) made up of flanges, webs and stiffeners  welded or riveted together.  It is important to recognize the difference between rolled beams and built-up girders.  

Rolled Steel Beams.

Built-up Plate Girders (note vertical stiffeners attached to webs).

Extension of Scupper Pipe to minimize splashing of water on beams.

Rolled beams are easier to maintain because:

Built-up girders are more vulnerable to deterioration because:

 

Riveted Girder.

Welded Girder

Preventive Maintenance Recommendations: