C.M. Driver

Davis Avenue Bridge (Allegheny County, Pennsylvania)
Substructure, 1898
Lost deck truss bridge over Woods Run Avenue on Davis Avenue in Pittsburgh

Newell Toll Bridge (Hancock County, West Virginia)
Built 1905
Private suspension bridge over the Ohio River on Golding Street Extension between Newell and East Liverpool.
Open to toll traffic

South Tenth Street Bridge (1903) (Allegheny County, Pennsylvania)
Built 1903
Lost Through truss bridge over Monongahela River on South Tenth Street
Replaced by a new bridge