Allen Road Bridge (Butler County, Ohio)
Built 1956; replaced Summer 2005
Lost pony truss bridge on Allen Road in West Chester Township
Replaced by new bridge

Avenue 19 over the Arroyo Seco (Los Angeles County, California)
Built 1956
Steel stringer bridge over Arroyo Seco Channel on Ave 19 in Los Angeles
Two lanes open to traffic (two closed)

Big Lake Creek Bridge (Wayne County, Missouri)
Built 1956. Last painted December 2003.
Pony truss bridge over Big Lake Creek on Route FF
Open to one-lane traffic on a paved road

BNSF Railroad Bridge (Crawford County, Wisconsin)
Built 1956
Deck truss bridge over BNSF Railroad on WI 82
Open to traffic

Colfax Avenue over the Los Angeles River (Los Angeles County, California)
Built 1956
Deck truss bridge over Los Angeles River on Colfax Avenue in Los Angeles
Open to traffic

Collawash River Bridge (Clackamas County, Oregon)
Built 1956
Concrete arch bridge over Collawash River on Road
Open to traffic

Dog Creek Bridge (Shasta County, California)
Built 1956; rehabilitated 1989
Concrete arch bridge over Dog Creek on I-5 in Lakehead-Lakeshore
Open to traffic

Kimberling City Bridge (Stone County, Missouri)
Built 1956, replacing an earlier truss bridge inundated by the lake
Through truss bridge on MO 13 over Table Rock Lake (White River) at Kimberling City
Open to traffic

Long Creek Bridge (Taney County, Missouri)
Built 1956
Cantilevered through truss bridge on MO 86 over Long Creek (Table Rock Lake)
Open to two-lane traffic

South Moreau Creek Route D Bridge (Cole County, Missouri)
Built 1956
Through truss bridge over South Moreau Creek on Route D
Open to one-lane traffic