This project is a CAD reference drawing for the design of a three span highway bridge in a certain place, including plane, elevation, section, cross section, general layout, capping beam structural drawing, pile foundation plan, bridge deck sleeper, sidewalk slab structural drawing, ear wall, pier pile, abutment pile structural drawing, expansion joint, bridge deck continuous structural drawing, etc. The drawings are complete in content, clear in expression, and rigorous in drafting, Welcome designers to download and use.