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The original single ] track was replaced by two ] tracks in 1886. The roadbed deck under the tracks was reinforced with a layer of concrete in 1958.<ref name=HAERsurvey/> The original single ] track was replaced by two ] tracks in 1886. The roadbed deck under the tracks was reinforced with a layer of concrete in 1958.<ref name=HAERsurvey/>

The Commonwealth of Pennsylvania awarded a $3 million grant to the Central New York Railway for renovations to the Starrucca Viaduct on May 2, 2017. The funds were used in 2021 for masonry repairs, reballasting, a complete deck rebuilding including new waterproofing, and centering the remaining single track. <ref> www.endlessmtnlifestyles.com </ref>


The bridge has been in continual use for more than a century and a half. In 2005, the ] leased the portion of the line from ] to ], to the ], which operates it under the name ]. The only railroad currently using it is DO's ].{{Cn|date=January 2021}} The bridge has been in continual use for more than a century and a half. In 2005, the ] leased the portion of the line from ] to ], to the ], which operates it under the name ]. The only railroad currently using it is DO's ].{{Cn|date=January 2021}}
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<gallery mode="packed" heights="210px"> <gallery mode="packed" heights="210px">
File:Jasper Francis Cropsey - Starrucca Viaduct, Pennsylvania - Google Art Project.jpg|''Starrucca Viaduct, Pennsylvania'', 1865, by ] File:Jasper Francis Cropsey - Starrucca Viaduct, Pennsylvania - Google Art Project.jpg|''Starruca Viaduct, Pennsylvania'', 1865, by ]
File:Starrucca Viaduct reflected.jpg|October 2009 File:Starrucca Viaduct reflected.jpg|October 2009
File:Starrucca Viaduct, Oct 2014.jpg|October 2014 File:Starrucca Viaduct, Oct 2014.jpg|October 2014

Revision as of 16:42, 26 December 2021

Bridge in Lanesboro, Pennsylvania
Starrucca Viaduct
A 1920 picture of the Starrucca Viaduct.
Coordinates41°57′47″N 75°35′00″W / 41.963159°N 75.583283°W / 41.963159; -75.583283
CarriesTwo tracks of the New York, Susquehanna and Western Railway
CrossesStarrucca Creek
LocaleLanesboro, Pennsylvania
Maintained byNew York, Susquehanna and Western Railway
Characteristics
DesignStone arch bridge
Total length1,040 feet (320 m)
WidthTwo tracks
Longest spanSeventeen spans of 50 feet (15 m)
Clearance below100 feet (30 m)
History
Opened1848
Location

Starrucca Viaduct is a stone arch bridge that spans Starrucca Creek near Lanesboro, Pennsylvania, in the United States. Completed in 1848 at a cost of $320,000 (equal to $11,268,923 today), it was at the time the world's largest stone railway viaduct and was thought to be the most expensive railway bridge as well. Still in use, the viaduct is listed on the National Register of Historic Places and is designated as a National Historic Civil Engineering Landmark.

Construction

The viaduct was designed by Julius W. Adams and James P. Kirkwood and built in 1847–48 by New York and Erie Railroad, of locally quarried random ashlar bluestone, except for three brick interior longitudinal spandrel walls and the concrete base of the piers. This may have been the first structural use of concrete in American bridge construction.

It was built to solve an engineering problem posed by the wide valley of Starrucca Creek. The railroad considered building an embankment, but abandoned the idea as impractical. The Erie Railroad was well-financed by British investors, but even with money available, most American contractors at the time were incapable of the task. Julius W. Adams, the superintending engineer of construction in the area, hired James P. Kirkwood, a civil engineer who had worked on the Long Island Rail Road. Accounts differ as to whether Kirkwood worked on the bridge himself, or whether Adams was responsible for the plans with Kirkwood working as a subordinate. The lead stonemason, Thomas Heavey, an Irish immigrant from County Offaly, had worked on other projects for Kirkwood, primarily in New England. It took 800 workers, each paid about $1 per day, equal to $35.22 today, to complete the bridge in a year. The falsework for the bridge required more than half a million feet of cored and hewn timbers.

The original single broad gauge track was replaced by two standard gauge tracks in 1886. The roadbed deck under the tracks was reinforced with a layer of concrete in 1958.

The bridge has been in continual use for more than a century and a half. In 2005, the Norfolk Southern Railway leased the portion of the line from Port Jervis to Binghamton, New York, to the Delaware Otsego Corporation, which operates it under the name Central New York Railway. The only railroad currently using it is DO's New York, Susquehanna and Western Railway.

The viaduct was designated as a National Historic Civil Engineering Landmark by the American Society of Civil Engineers in 1973 and was listed on the National Register of Historic Places in 1975.

See also

References

  1. "HAER survey drawings (sheet 1 of 3)". "HAER survey drawings (sheet 2 of 3)". "HAER survey drawings (sheet 3 of 3)". US Library of Congress. Retrieved 29 January 2016.
  2. Treese, Lorett (2003). Railroads of Pennsylvania: Fragments of the Past in the Keystone Landscape. Mechanicsburg, Pennsylvania: Stackpole Books. p. 173. ISBN 9780811743570. Retrieved 25 September 2021.

External links

US National Register of Historic Places in Pennsylvania
Topics

Lists by county
Lists by city
Other lists
Bridges and tunnels on the National Register of Historic Places
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