Lost 1846

Bangor-Brewer Covered Bridge (Penobscot County, Maine)
Built 1832; Lost to freshet1846; Replaced 1847
Lost covered Town lattice through truss bridge over Penobscot River on Road
Destroyed by flooding

Conowingo Bridge (1820) (Harford County, Maryland)
Built 1820; All but two spans destroyed by flooding 1846
Lost Covered through truss bridge over Susquehanna River on Highway 1
Replaced by a new bridge

Florence Covered Bridge (Stewart County, Georgia)
Built 1836, Destroyed by flooding 1846
Lost Town lattice truss bridge over Chattahoochie River on Road
Destroyed by flooding

Northumberland-Sunbury East Channel Bridge (1818) (Northumberland County, Pennsylvania)
Built 1818 by Theodore Burr; destroyed by hurricane 1846
Lost Burr arch-truss bridge over East Branch Susquehanna River (East Channel) on PA-147
Destroyed by severe weather