Here is an autocad dwg file for 3D view of a road bridge . A bridge is a structure built to span physical obstacles without closing the way underneath such as a body of water, valley, or road, for the purpose of providing passage over the obstacle
Section of stairway
Pile Cap Section Drawing.
Details of a constructive
Mail box plan and section
Construction Foundation to
Roof plan residential work
Detail of foundation
Construction view of wall
Roof working plan detail d
Type support scaffolding e
Wall construction with col
Constructive detail gutter