Williamsport, Maryland
Chesapeake & Ohio Canal Lift Bridge (Washington County, Maryland)
Currently owned by Chesapeake and Ohio Canal National Historical ParkGirder bridge over C&O Canal Closed to all traffic
Conococheague Creek Bridge (Washington County, Maryland)
Built 1829; rehabilitated 1987Stone arch bridge over Conococheague Creek on MD 68 (Clearspring Rd.)Open to traffic
Route 11 Bridge (Washington County, Maryland)
Built 1909; rehabilitated 1980Steel stringer bridge over Potomac River, Csx Trans on Us 11Open to traffic