Bridge girder made by bending steel plate and bridge using the same

摘要

The present invention relates to a bending steel plate bridge girder that can be quickly installed at an inexpensive unit price and has excellent support strength at a portion where a bridge support is installed. The bent steel plate bridge girder is a girder body formed to have a cross-sectional shape of a square or trapezoid in which the steel plate is bent or the bent steel plate is welded closed, or a square or trapezoidal cross-sectional shape in which at least a part of one side is open, and the bridge support. It is configured to include a reinforcing structure that is installed on the girder body above the supporting part of the bridge supporting part to be supported.