A plate girder bridge is a bridge supported by two or more plate girders. == Overview == In a plate girder bridge, the plate girders are typically I-beams made up from separate structural steel plates (rather than rolled as a single cross-section), which are welded or, in older bridges, bolted or riveted together to form the vertical web and horizontal flanges of the beam.
A plate girder bridge is a bridge supported by two or more plate girders. == Overview == In a plate girder bridge, the plate girders are typically I-beams made up from separate structural steel plates (rather than rolled as a single cross-section), which are welded or, in older bridges, bolted or riveted together to form the vertical web and horizontal flanges of the beam.
Source: Wikipedia "Plate girder bridge" · CC BY-SA 4.0
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