Oscar Klatt

Antioch Bridge (1926) (Contra Costa County, California)
Built 1926
K- through truss lift bridge over San Joaquin River on Route 160
Replaced by a new bridge

Carquinez Bridge (1927) (Contra Costa County, California)
Built 1927
Lost cantilevered through truss bridge over Carquinez Strait on Lincoln Highway/I-80 Westbound
Replaced by new bridge