Huntingdon & Broad Top Mountain Railroad

Reporting mark: H&BTM
Huntingdon & Broad Top Mountain Railroad is a former short line railroad company operating passenger and freight service on standard gauge track in south central Pennsylvania.

http://en.wikipedia.org/wiki/Huntingdon_and_Broad_Top_Mounta...

H&BTM - Cypher Bridge (Bedford County, Pennsylvania)
Built 1937
Abandoned fishbelly Warren deck truss bridge over Raystown Branch Juniata River on former H&BT
Derelict/abandoned

H&BTM - Pipers Run Tunnel (Bedford County, Pennsylvania)
Abandoned bridge over Pipers Run on H&BTM RR
Derelict/abandoned