W. N. Concanon

of San Francisco, California
Orangevale Avenue Bridge (Sacramento County, California)
Built 1915
Concrete open spandral arch bridge over Gold Creek on Orangevale Avenue in Folsom
Bridge is now open

Putah Creek Bridge (Yolo County, California)
Built 1907
Concrete arch bridge over Putah Creek on Railroad Street in Winters
Demolished and replaced.