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.
Foundation and column plan
Section by facade detail d
External elevation view, c
Sky light design drawing
Construction detail of arm
Construction view of brick
Stair plan and section det
Wall section detail dwg fi
Plot area detail dwg file
Service station plan autoc
Masonry wall camposteria d
Free Construction CAD Bloc