19th Century (7,626)
Baltimore & Ohio Railroad (475)
Built 1870 (140)
Built during 1870s (1,122)
CSX Railroad (1,668)
Pennsylvania (5,334)
| Railroad (15,600)
Somerset County, Pennsylvania (119)
Span length 175-250 feet (1,992)
Total length 175-250 feet (4,285)
Tunnel (1,311)
Unknown status (1,501)
|