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
Details of a Flat roof
Foundation plan and sectio
Foundation and column sect
Truss Stair section detail
Structural building plan a
Steel structural working p
Ladder with 6-hole cable h
Typical ring beam and eave
Rectangle Column plan deta
Sinkhole plan detail layou
Construction view with flo
Floor layout of building w