John A. Roebling's Sons Co.

Golden Gate Bridge (San Francisco County, California)
Built 1937
Suspension bridge over San Francisco Bay on US 101 at San Francisco
Open to traffic

McPhaul Bridge (Yuma County, Arizona)
Built 1929
Wire suspension bridge over Gila River formerly carried US-95/Yuma-to-Quartzite road.
Closed to all traffic