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
Section plan and elevation
Construction view of wall
foundation plan detail, ro
Foundation and constructiv
Frame truss structural pla
Connection slabs walls fou
Foundation plan with const
one family housing masonry
Detail mezzanine section d
Structural Detail Drawings
Steel framing plan structu
Foundation and column sect