Arkansas River CO 291 Bridge (Chaffee County, Colorado)
Built or reconstructed in 1959
Pony truss bridge over Arkansas River on CO 291 north of Salida
Open to two-lane traffic on a state highway

Bethel Bridge (Ripley County, Missouri)
Built 1959
Pony truss bridge over Little Black River on Route KK southwest of Oxly
Open to one-lane traffic on a paved road

Brorein Street Bridge (Hillsborough County, Florida)
Built 1959
Bascule bridge over Hillsborough River on Brorein Street in Tampa
Open to traffic

Lamine River MO 135 Bridge (Cooper County, Missouri)
Built 1959
Pony truss bridge over Lamine River on MO 135
Open to traffic

Little River Bridge (McCurtain County, Oklahoma)
Built 1959
Through truss bridge over Little River on 4530C
Open to traffic

Lockport Canal Bridge (Lafourche Parish, Louisiana)
Built 1959
Vertical lift bridge on LA 1 over Lockport Canal in Lockport
Open to traffic