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Pennsylvania's Historic Bridges: Connecting our Past and Future, 23:33, Pennsylvania Historical and Museum Commission This is a list of bridges and tunnels on the National Register of Historic Places (NRHP) in the U.S. state of Pennsylvania . [ 1 ]
Turn Hole Tunnel, Jim Thorpe, Central Railroad of New Jersey (at the Glen Onoko access, abandoned but popular with Lehigh Gorge State Park guests) [41] [42] Closed to all access by the Pennsylvania Department of Conservation and Natural Resources, the owners of the tunnel, in 2023 because of rocks falling from the ceiling.
Also known as the Panhandle Tunnel [2] Pennsylvania Canal Tunnel: Pennsylvania Canal (Western Division) 40°26'29.0"N, 79°59'40.9"W: Sometimes confused with the Pittsburgh and Steubenville Extension Railroad tunnel, which is nearby Pittsburgh and Castle Shannon Tunnel: Pittsburgh and Castle Shannon Railroad: Mount Washington: 40°25'41.20"N ...
PA-269: Pennsylvania Railroad, Bow Ridge Tunnel: 1907 1987 Former Pennsylvania Railroad: Bow Ridge Derry Township: Westmoreland: PA-357: Sand Patch Tunnel: 1912 1992 CSX Transportation: Negro Mountain: Larimer Township: Somerset
The Allegheny Mountain Tunnel is a vehicular tunnel carrying the Pennsylvania Turnpike through the Allegheny Mountains. At this point, the Turnpike carries Interstates 70 and 76. When the tunnel was built, it was considered an "engineering marvel." [1] The tunnel was built in 1939 and is used by 11 million vehicles annually today.
Other bridges and tunnels on the National Register of Historic Places in Pennsylvania are listed elsewhere. In the early 1800s, the first covered bridge in the United States was constructed by Timothy Palmer crossing the Schuylkill River at 30th Street in Philadelphia. [2]
This 5.15-mile (8.29 km) section had the most bridges and tunnels per mile to carry the Pennsylvania Railroad right-of-way. The bridges were built between 1886 and 1902, and are multiple semi-circular arch bridges built of stone ashlar. An original tunnel was built in 1850, and is a 1,151-foot (351 m) long brick arched tunnel.
Eighteen of Pittsburgh's large bridges are visible in this aerial photo The bridges of Pittsburgh play an important role in the city's transportation system. Without bridges, the Pittsburgh region would be a series of fragmented valleys, hillsides, river plains, and isolated communities. A 2006 study determined that, at the time, Pittsburgh had 446 bridges, though that number has been disputed ...