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.
Construction plan detail d
Site plan detail dwg file
Roof plan detail dwg file
Section plan detail dwg fi
Structural Detail Drawings
Commercial working plan de
Dwg file of construction d
Street light detail dwg fi
Hydraulic plan detail dwg
Main building Construction
Section view of rigid and
Plate rock of plaster-star