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 the National Railway Historical Society
6 October 1990

Erected 1990 by National

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Railway Historical Society.

Topics and series. This historical marker is listed in these topic lists: Bridges & Viaducts • Man-Made Features • Railroads & 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. It 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.

Regionally, this marker is in the Wyoming Valley

and in Greater Scranton and Wilkes-Barre. It is also in the American Northeast,

in the Mid-Atlantic,

in Appalachia,

and specifically in Northern Appalachia. Globally, it is in North America,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Historically, it finds itself in what was once the Haudenosaunee (Iroquois) Confederacy

and also one of the original Thirteen Colonies.

Other nearby markers. At

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

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 here for another marker that is related to this marker.

Also see . . .
1. Tunkhannock Viaduct / Nicholson Bridge. Historic Bridges website entry (Submitted on April 16, 2017, by William Fischer, Jr. of Reynoldsburg, Ohio.)

2. Nicholson Bridge / Tunkhannock (Creek) Viaduct. Nicholson Heritage Association website entry (Submitted on April 16, 2017, by William Fischer, Jr. of Reynoldsburg, Ohio.)

3. "A Thing Colossal and Impressive" (Howells and Ruland). Pennsylvania Center for the Book website entry (Submitted on April 16, 2017, by William Fischer, Jr. of Reynoldsburg, Ohio.)

4. ASCE Tunkhannock Viaduct National Historic Civil Engineering Landmark.

Tunkhannock Viaduct NHCEL Marker image. Click for full size.

Photographed by William Fischer, Jr., April 16, 2017

3. Tunkhannock Viaduct NHCEL Marker

(Submitted on April 16, 2017, by William Fischer, Jr. of Reynoldsburg, Ohio.)

Tunkhannock Viaduct NRHS Marker image. Click for full size.

Photographed by William Fischer, Jr., April 16, 2017

4. Tunkhannock Viaduct NRHS Marker

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

Photographed by William Fischer, Jr., April 16, 2017

9. Tunkhannock Viaduct

Looking NNE

Credits. This page was last revised on December 19, 2024. It was originally submitted on April 16, 2017, by William Fischer, Jr. of Reynoldsburg, Ohio. This page has been viewed 849 times since then and 179 times this year. Photos: 1, 2, 3, 4, 5, 6, 7, 8, 9. submitted on April 16, 2017, by William Fischer, Jr. of Reynoldsburg, Ohio.