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 construction details
Sloping details
Wooden template section de
Construction detail layout
Stair plan and section det
Construction detail of flo
Landing of structure 115kv
Residential house plan det
Section drawing of Fountai
Sheet metal duct joint san
Details of steel framing
Section Reservoir 100m3 la