Whipple Cast and Wrought Iron Bowstring Truss Bridge
National Register of Historic Places

Whipple Cast and Wrought Iron Bowstring Truss Bridge

Albany, Albany County, New York
Listed
March 17, 1971
Type
Structure
Period
Civil War
Ref No.
71000523

About this property

The Whipple Cast and Wrought Iron Bowstring Truss Bridge over Normans Kill in Albany, New York, United States, is one of the bowstring truss bridges introduced by Squire Whipple in 1841 and used widely to span the Erie Canal. An economic and innovative design patented by him, its light and inexpensive construction uses cast iron in compression in the bridge's arch and wrought iron in tension to offset the horizontal forces created by the arch. Such a design is similar to a tied arch bridge, but incorporates diagonals in tension similar to the Whipple truss and Pratt truss designs. Three known examples of the type exist, all in New York State: the Normanskill Farm Bridge, the Shaw Bridge, and a footbridge on the campus of Union College, Whipple's alma mater.

Location

1000 Delaware Ave.
Albany, Albany County, New York
42.63575, -73.80066

Categories

COMMERCEENGINEERINGTRANSPORTATIONINVENTION
National Register nomination ›
Sources

Property data from the National Register of Historic Places, National Park Service (public domain).

Description adapted from Wikipedia under the Creative Commons Attribution-ShareAlike 4.0 International License.

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Nearby Historic Sites

Hook and Ladder No. 4
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1.1 mi
First Congregational Church of Albany
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1.5 mi
Nut Grove
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1.7 mi
Hall, James, Office
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1.8 mi
US Post Office-Delmar
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1.8 mi

Questions about this property

When was Whipple Cast and Wrought Iron Bowstring Truss Bridge listed on the National Register?

Whipple Cast and Wrought Iron Bowstring Truss Bridge was listed on the National Register of Historic Places on March 17, 1971.

What type of historic resource is Whipple Cast and Wrought Iron Bowstring Truss Bridge?

Whipple Cast and Wrought Iron Bowstring Truss Bridge is classified as a structure in the National Register of Historic Places.

What is the period of significance for Whipple Cast and Wrought Iron Bowstring Truss Bridge?

The period of significance for Whipple Cast and Wrought Iron Bowstring Truss Bridge is recorded as the civil_war era.

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