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Nicholson in Wyoming County, Pennsylvania — The American Northeast (Mid-Atlantic)
 

Tunkhannock Viaduct

AKA Nicholson Bridge

— National Historic Civil Engineering Landmark —

 
 
Tunkhannock Viaduct Markers image. Click for full size.
Photographed By William Fischer, Jr., April 16, 2017
1. Tunkhannock Viaduct Markers
Inscription.  

Tunkhannock Viaduct
1912 — Built — 1915
by
The Delaware, Lackawanna and Western
Railroad Company

W. H. Truesdale — President
G. J. Ray — Chief Engineer
Flickwir & Bush — Contractors

Length 2375 feet • Height 240 feet
Concrete 163,000 cu. yds. • Reinforcing Steel 2,500,000 lbs.
Cement 185,000 bbls. • Foundation Excavation 48,000 cu. yds.
————————————————
National Historic Civil Engineering Landmark
ASCE 1976
————————————————
With the completion of
this Nicholson Viaduct,
the world's largest concrete bridge,
on 6 November 1915, the Delaware,
Lackawanna & Western Railroad Company
finished its Summit Cut-Off

Main Line Shortened — 3.6 miles
Gradient Reduced — from 1.23 to 0.68 per cent
Curvature Reduced — from 3970 to 1570 degrees
Grade Crossings Eliminated — 22

Erected by

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the National Railway Historical Society
6 October 1990

 
Erected 1990 by National Railway Historical Society.
 
Topics and series. This historical marker is listed in these topic lists: Bridges & ViaductsMan-Made FeaturesRailroads & Streetcars. In addition, it is included in the ASCE Civil Engineering Landmarks series list. A significant historical date for this entry is November 6, 1915.
 
Location. 41° 37.565′ N, 75° 46.582′ W. Marker is in Nicholson, Pennsylvania, in Wyoming County. Marker is on State Street (Pennsylvania Route 92) 0.2 miles east of Lackawanna Trail (U.S. 11), on the right when traveling east. Touch for map. Marker is at or near this postal address: Mounted on a Viaduct pier, Nicholson PA 18446, United States of America. Touch for directions.
 
Other nearby markers. At least 8 other markers are within 5 miles of this marker, measured as the crow flies. A different marker also named Tunkhannock Viaduct (approx. 0.4 miles away); World War II Memorial (approx. 0.4 miles away); Galusha Grow (approx. 3.3 miles away); World War Memorial (approx. 3.7 miles away); Hometown of Christy Mathewson (approx. 4.3 miles away); Christy Mathewson (approx. 4.6 miles away); Harris Hall Bell Memorial (approx. 4.6 miles away); Veterans Memorial (approx. 4.6 miles away). Touch for a list and map of all markers in Nicholson.
 
Related marker. Click
Tunkhannock Viaduct DL&W RR Marker image. Click for full size.
Photographed By William Fischer, Jr., April 16, 2017
2. Tunkhannock Viaduct DL&W RR Marker
here for another marker that is related to this marker.
 
Also see . . .
1. Tunkhannock Viaduct / Nicholson Bridge. (Submitted on April 16, 2017, by William Fischer, Jr. of Scranton, Pennsylvania.)
2. Nicholson Bridge / Tunkhannock (Creek) Viaduct. (Submitted on April 16, 2017, by William Fischer, Jr. of Scranton, Pennsylvania.)
3. "A Thing Colossal and Impressive" (Howells and Ruland). (Submitted on April 16, 2017, by William Fischer, Jr. of Scranton, Pennsylvania.)
4. Nicholson Bridge still captures admirers (The Times Tribune, 2015). (Submitted on April 16, 2017, by William Fischer, Jr. of Scranton, Pennsylvania.)
5. ASCE Tunkhannock Viaduct National Historic Civil Engineering Landmark. (Submitted on April 16, 2017, by William Fischer, Jr. of Scranton, Pennsylvania.)
 
Tunkhannock Viaduct NHCEL Marker image. Click for full size.
Photographed By William Fischer, Jr., April 16, 2017
3. Tunkhannock Viaduct NHCEL Marker
Tunkhannock Viaduct NRHS Marker image. Click for full size.
Photographed By William Fischer, Jr., April 16, 2017
4. Tunkhannock Viaduct NRHS Marker
Tunkhannock Viaduct Markers image. Click for full size.
Photographed By William Fischer, Jr., April 16, 2017
5. Tunkhannock Viaduct Markers
On viaduct pier
Underside of Tunkhannock Viaduct image. Click for full size.
Photographed By William Fischer, Jr., April 16, 2017
6. Underside of Tunkhannock Viaduct
Lackawanna RR [Railroad] Name on Tunkhannock Viaduct image. Click for full size.
Photographed By William Fischer, Jr., April 16, 2017
7. Lackawanna RR [Railroad] Name on Tunkhannock Viaduct
Tunkhannock Viaduct image. Click for full size.
Photographed By William Fischer, Jr., April 16, 2017
8. Tunkhannock Viaduct
Looking SE along US Route 11
Tunkhannock Viaduct image. Click for full size.
Photographed By William Fischer, Jr., April 16, 2017
9. Tunkhannock Viaduct
Looking NNE
 
 
Credits. This page was last revised on April 16, 2017. It was originally submitted on April 16, 2017, by William Fischer, Jr. of Scranton, Pennsylvania. This page has been viewed 363 times since then and 35 times this year. Photos:   1, 2, 3, 4, 5, 6, 7, 8, 9. submitted on April 16, 2017, by William Fischer, Jr. of Scranton, Pennsylvania.

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Jun. 12, 2024