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.
Forges square constructive
Screw detail drawing speci
Flat roof construction det
Sectional view of trench c
Roof construction and sect
3d view of boundary wall a
Details of steel framing
Roof Detail dwg file
Staircase construction det
Main beam and cross tee de
Construction detail view o
Joint Wall construction Pl