Tunkhannock Viaduct Historical

Tunkhannock Viaduct Historical (HM1XWT)

Location: Nicholson, PA 18446 Wyoming County
Country: United States of America

N 41° 37.565', W 75° 46.582'

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AKA Nicholson Bridge

—National Historic Civil Engineering Landmark —

Tunkhannock Viaduct
1912 — Built — 1915
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
Year Placed1990
Placed ByNational Railway Historical Society
Marker ConditionNo reports yet
Date Added Sunday, April 16th, 2017 at 9:02pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)18T E 435327 N 4608553
Decimal Degrees41.62608333, -75.77636667
Degrees and Decimal MinutesN 41° 37.565', W 75° 46.582'
Degrees, Minutes and Seconds41° 37' 33.9" N, 75° 46' 34.92" W
Driving DirectionsGoogle Maps
Area Code(s)570
Which side of the road?Marker is on the right when traveling East
Closest Postal AddressAt or near 4-6 PA-92, Nicholson PA 18446, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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