Ben C. Gerwick Co.

Astoria-Megler Bridge (Clatsop County, Oregon)
Contractor - Desdemona Sands Viaduct Portion, 1966
Continuous rigid-cantilever Warren through truss bridge over Columbia River on US 101 in Astoria
Open to traffic

CFNR - Brazos Drawbridge (Napa County, California)
Built 1979
Bridge over Napa River on California Northern Railroad (CFNR)
Bridge is open to rail traffic with ongoing repairs