Ascension Parish, Louisiana

Amite River at Port Vincent Bridge (Livingston Parish, Louisiana)
Collapsed 1959
Lost Bridge over Amite River @ P'Vincent on La0042
Collapsed

Bayou Manchac Bridge (East Baton Rouge Parish, Louisiana)
Built 1953
Concrete tee beam bridge over Bayou Manchac on US-61
Open to traffic

Bayou Manchac LA 73 Bridge (East Baton Rouge Parish, Louisiana)
Built 1931
Pony truss bridge over Bayou Manchac on LA 73
Open to traffic