Lost 1851

Amoskeag Bridge (Hillsborough County, New Hampshire)
Built 1825
Lost Lattice through truss bridge over Merrimack River on Bridge Street
Destroyed by flooding

Wappingers Falls Covered Bridge (Dutchess County, New York)
Lost to flooding 1851; Replaced 1852
Lost Through truss bridge over Wappinger Creek on Main Street
Destroyed by flooding