Great Allegheny Passage

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CSX - Wills Creek Bridge (Allegany County, Maryland)
Closed-spandrel arch bridge over Wills Creek, Railroad (WMSR), & Great Allegheny Passage Trail on Railroad (CSX)
Open to traffic

GAP - Big Savage Tunnel (Somerset County, Pennsylvania)
Buil 1911,
Tunnel on Great Allegheny Passage
Open to pedestrians only

GAP - Bollman Bridge (Somerset County, Pennsylvania)
Built 1871 on the B&O Railroad; relocated 1910 as a vehicular bridge
Iron through truss bridge formerly carrying the B&O Railroad
Open to pedestrians only

GAP - Borden Tunnel (Allegany County, Maryland)
Built 1911, rail line abandoned 1975
Tunnel on Great Allegheny Passage
Open to pedestrians only

GAP - BoWest Bridge (Fayette County, Pennsylvania)
Built 1916, Converted for pedestrian use 1994
Through truss bridge over Southwest Pennsylvania Railroad on Great Allegheny Passage
Open to pedestrians only

GAP - Casselman River Bridge (Confluence) (Somerset County, Pennsylvania)
Buil 1911 for the Western Maryland Railway, Abandoned in the 1970s, Converted for pedstrian use 2001
Deck plate girder bridge over Casselman River on Great Allegheny Passage
Open to pedestrians only

GAP - Casselman River Bridge (Harnedsville) (Somerset County, Pennsylvania)
Buil 1911, Abandoned in the 1970s, Converted for pedestrian use in 2001
Deck plate girder bridge over Casselman River on Great Allegheny Passage
Open to pedestrians only

GAP - Dunbar Creek Viaduct (Fayette County, Pennsylvania)
Built 1912, Coverted for pedestrian use 1994
Deck plate girder bridge over Dunbar Creek on Great Allegheny Passage
Open to pedestrians only

GAP - Eastern Continental Divide Tunnel (Somerset County, Pennsylvania)
Built 2005
Closed-spandrel arch bridge over Great Allegheny Passage on McKenzie Hollow Road
Open to pedestrians only

GAP - Hot Metal Bridge (Allegheny County, Pennsylvania)
Built 1900 as a railroad bridge; Converted to pedestrian use in 2007
Through truss bridge over the Monongahela River on the Great Allegheny Passage
One bridge is for pedestrians and the other is for auto traffic. Very good condition.

GAP - Keystone Viaduct (Somerset County, Pennsylvania)
Built 1911
Through truss bridge over Flaugherty Creek on Great Allegheny Passage Trail
Open to pedestrians only

GAP - New Hope Bridge (Allegany County, Maryland)
Built 1930
Bridge over New Hope Road on Great Alleghany Passage Trail
Open to bicyclists and pedestrians

GAP - Ohiopyle High Bridge (Fayette County, Pennsylvania)
Deck plate girder bridge over Youghioogheny River on Great Allegheny Passage
Open to pedestrians only

GAP - Ohiopyle Youghioogheny River Trail Bridge (Fayette County, Pennsylvania)
Built 1999
Modern bowstring pony truss bridge over Youghioogheny River & PA381 on Great Allegheny Passage
Open to pedestrians only

GAP - Pinkerton High Bridge (Somerset County, Pennsylvania)
Deck plate girder bridge over Casselman River on Great Allegheny Passage
Open to pedestrians only

GAP - Pinkerton Low Bridge (Somerset County, Pennsylvania)
Deck plate girder bridge over Casselman River on Great Allegheny Passage
Open to pedestrians only

GAP - Riverton Bridge (Allegheny County, Pennsylvania)
Built in 1891; converted into bike trail use in 2008
Parker through truss bridge over Monongahela River on Pennsylvania Union Railroad (now Great Allegheny Passage)
Open to pedestrians

GAP - Route 36 Overpass (Allegany County, Maryland)
Built 1930
Bridge over Route 36 on Great Allegheny Passage Trail
Open to pedestrians & bicyclists only

GAP - Salisbury Viaduct (Somerset County, Pennsylvania)
Built 1912, Abandoned 1975. Converted for pedestrian use 1998
Deck plate girder bridge over Casselman River and US 219 on Great Allegheny Passage
Open to pedestrians

GAP - West Yough Transfer Bridge (Fayette County, Pennsylvania)
Abandoned warren through truss with sub-panels bridge over Youghiogheny River on Abandoned Railroad (P&LE)
Open to pedestrians only

Layton Bridge (Fayette County, Pennsylvania)
Built 1899; railroad abandoned in 1931; rehabilitated 1984
Through truss bridge over Youghiogheny River on PA 4038
Open to traffic

WMSR/GAP - Alt US 40 Overpass (Allegany County, Maryland)
Built 1910 ca
Through truss bridge over Alt US 40 on WMRR
Open to trains and pedestrians

WMSR/GAP - Brush Tunnel (Allegany County, Maryland)
Tunnel on Western Maryland Scenic Railroad & Great Allegheny Passage
Open to traffic

WMSR/GAP - Wills Creek Bridge (Allegany County, Maryland)
Bridge over Wills Creek on Western Maryland Scenic Railroad
Open to traffic