Here is an autocad dwg file for 3d view of a bridge. a structure carrying a road, path, railway, etc. across a river, road, or other obstacle.
Roof detail 3d design
Foundation working plan de
Details of Pile cap and st
Bridge reinforcing
Truss Section In AutoCAD F
Column and beam foundation
Beam plan and section layo
Indoor staircases section
Wall elevation detail dwg
mezzanine detail and later
Trade house
Abutment wall