Tunkhannock Viaduct

Tunkhannock Viaduct is a Pennsylvania historical marker in Wyoming County, dedicated 1995.

Lackawanna Trail (US 11)

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This reinforced concrete structure was the largest of its kind ever built when it went into service in 1915 on the Delaware, Lackawanna & Western Railroad. The bridge, 2,375 feet long and rising 240 feet above Tunkhannock Creek, was the focal point of a 39.6-mile relocation between Clarks Summit and Hallstead. The novelist Theodore Dreiser called this viaduct "one of the true wonders of the world."

TodayHistorical map

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Digital Commonwealth, Boston Public Library

Historical maps covering this location

1891 · Map of Pennsylvania. 93 (David Rumsey Map Collection, Stanford Libraries)
1903 · Pennsylvania. (David Rumsey Map Collection, Stanford Libraries)
1909 · A survey of the empire group (Digital Commonwealth, Boston Public Library)
1927 · Pennsylvania (David Rumsey Map Collection, Stanford Libraries)
1946 · Factoryville, Pennsylvania (USGS Historical Topographic Map Collection)

Pennsylvania, 1927, covering the location of Tunkhannock Viaduct, with a pin at the marker's coordinates — Pennsylvania, 1927, covering this location. David Rumsey Map Collection, Stanford Libraries. The pin is ours, placed from the marker's coordinates.

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Marker data: Pennsylvania Historical and Museum Commission via data.pa.gov

Tunkhannock Viaduct

Historical maps covering this location

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