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.
Elevation and plan Founta
Reinforced Concrete Wall S
Wall Construction Plan Det
Column plan view detail dw
ceiling construction detai
Detail of a fountain
Wooden wall and frame view
Structural Detail Drawings
CAD file shows the details
Foundation plan structural
Acoustic wall details
Construction layout plan