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High Bridge

   


High Bridge

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: July 12, 2008
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Key Facts

Facility Carried / Feature Intersected
Pedestrian Walkway (Closed, To Reopen Summer 2015) Over Harlem River
Location
New York: The Bronx, New York and Manhattan, New York
Structure Type
Metal Three-Hinged Solid Ribbed Deck Arch, Fixed and Approach Spans: Stone Semicircular Deck Arch, Fixed
Construction Date and Builder / Engineer
1927 By Builder/Contractor: McClintic-Marshall Company of Pittsburgh, Pennsylvania

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
360 Feet (109.7 Meters)
Structure Length
1450 Feet (442 Meters)
Roadway Width
Not Available
Spans
1 Main Span(s) and 10 Approach Span(s)
NBI Number
Not Applicable

Historic Significance Rating (HSR)

Bridge Documentation

View Historic American Engineering Record (HAER) Documentation For This Bridge

HAER Data Pages, PDF - HAER Original Plan Sheets, PDF

View A Historical Text About The Croton Aqueduct

View A Historical Article About Proposals To Widen The Channel Span of This Bridge

This bridge was originally a fifteen span stone arch bridge, completed in 1848 to carry the first Croton Aqueduct, now known as the Old Croton Aqueduct, which brought fresh water to a growing city that needed it badly. In 1860, the bridge deck was increased in height to accommodate additional piping for more water. In 1872, the distinctive High Bridge Watchtower, which remains today, was constructed to control the water pressure. By World War I, methods of bringing water to the city through underground means were in place, and the aqueduct was shut down for water purposes for war-related security reasons. In the 1920s, something happened that much resembles the sort of threats and solutions that occur with historic bridges today. The Army Corp of Engineers decided to complain about the horizontal clearance of the bridge and demanded the bridge either be remodeled or demolished. The city of New York supported demolition since by this time the structure served as nothing more than a footbridge. However many citizens and organizations saw the stone arch bridge which was now around 70 years old, as a historic landmark. They pressured the city into a compromise where five of the largest stone arch spans (all the Harlem River spans) were demolished and a steel deck arch bridge with sufficient horizontal clearance was built and opened in 1927. In the 1960s, the bridge was closed to pedestrian traffic, and to this day the bridge remains abandoned, despite possible talk and funding for a restoration project.

During the time since the 1927 alteration the steel deck arch bridge is today, along with the remaining stone arch spans, a structure with noteworthy historic significance and a high level of aesthetic value. The remaining stone arch bridge spans which serve as an approach for this steel arch span are also extremely significant in their own right. They are a significant stone arch bridge, indeed among the largest stone arch bridges in the United States. With an 1848 construction date, they are also  extremely old examples of stone arch construction in the United States as well, which also adds to the "engineering achievement" value of the bridge, to have built such a large bridge so long ago. In addition, the stone arch spans are significant as a part of a larger engineering achievement of the time, the Old Croton Aqueduct, a structure that made possible the growth of New York City. The arch spans of this bridge are also locally significant as the oldest remaining bridge structure in all of New York City.

More information is available here.

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Photos and Videos: High Bridge

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