Newtown, Connecticut

NH - Hawleyville Tunnel #1 (Fairfield County, Connecticut)
Built 1840; abandoned 1911
Abandoned tunnel under Parmalee Hill Road on Housatonic Railroad (old alignment)
Derelict/abandoned

NH - Housatonic River Bridge (New Haven County, Connecticut)
Built 1905-6; abandoned & removed in 1948
Lost Double-intersection Warren deck truss bridge over Housatonic River on New Haven Railroad
Removed but not replaced

NH - Shepaug Division Housatonic River Bridge (New Haven County, Connecticut)
Built 1883; removed 1949
Lost Double-intersection Warren deck truss bridge over Housatonic River on NYNH&H Shepaug Division
Removed but not replaced

Sandy Hook Bridge (Fairfield County, Connecticut)
Built 1890
Pratt through truss bridge over Pootatuck River on Dayton Street
Open to pedestrians only