Endangered

Bolivia Road Bridge (Sangamon County, Illinois)
Built 1901
Parker through truss bridge over Sangamon River on Bolivia Road (TR 518)
Intact but closed to all traffic

English Center Bridge (Lycoming County, Pennsylvania)
Built 1891 by Dean & Westbrook
Eyebar suspension bridge over Little Pine Creek on SR 4001
Open to traffic

Sites Lodoga Road Bridge (Colusa County, California)
Unknown construction date, bypassed in 1971.
Abandoned Queenpost pony truss bridge over Grapevine Creek on Old Sites Lodoga Road
Abandoned