This Architectural Drawing is AutoCAD, 2d drawing of Expansion of girder details in AutoCAD, dwg file. Girder bridges are the simplest bridge type in structure and consist of steel beams shaped to an I-section or box section, called a plate girder bridge or a box girder bridge, respectively. Girder bridges are comprised of deck slabs, on which vehicles and people pass, and of main girders supporting the deck slabs.
