US 522
Blacklog Creek Bridge (Huntingdon County, Pennsylvania)
Built 1927; Replaced 2005Concrete arch bridge over Blacklog Creek on US 522Replaced by a new bridge
Hancock Bridge (Washington County, Maryland)
Built 1937Deck truss bridge over Potomac River on US 522 in BartonsvilleOpen to traffic
Middle Creek Bridge (Snyder County, Pennsylvania)
Built 1949; rehabilitated 1987Pony truss bridge over Middle Creek on US 522 in KreamerOpen to traffic