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Aldrich Change Bridge

Aldrich Change Bridge

Primary Photographer(s): Marc Scotti

Bridge Documented: March 28, 2009 and October 4, 2012

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Key Facts

Facility Carried / Feature Intersected
Park Path Over Park Land
Location
Palmyra: Wayne County, New York: United States
Construction Date and Builder / Engineer
1858 By Builder/Contractor: Mohawk and Hudson Iron Works of Waterford, New York (G.W. Eddy Foundry) and Engineer/Design: Squire Whipple

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
72 Feet (22 Meters)
Structure Length
72 Feet (22 Meters)
Roadway Width
13.3 Feet (4.05 Meters)
Spans
1 Main Span(s)
NBI Number
Not Applicable

Historic Significance Rating (HSR)

Bridge Documentation

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

HAER Drawings, PDF - HAER Data Pages, PDF

 The HAER page for this bridge provides an extensive history on this bridge. Be sure to read it for more information on this bridge. This is one of the oldest metal bridges in the country, and is one of the earliest known examples of a Parker truss bridge.

The Aldrich Change Bridge is a bridge that has certainly been through a lot. Moved several times, washed off its abutments once, and finally restored here in a park setting, it is amazing that this bridge, one of only two bridges from the original Erie Canal, remains here today.

Why Aldrich "Change" Bridge? Because this bridge was built to change the side of the canal that the mule(s) towing the boats navigating the canal would need to be on. There were any number of reasons why the tow path might need to change the side of the canal it was on.

The placement of the bridge in the park was designed to showcase the way the bridge would have original functioned, although no water is actually present under the bridge, the setup of the approach to the bridge is authentic to the way the bridge would have been seen when in service on the canal. The drawing below adapted from the Historic American Engineering Record helps to illustrate the original configuration of the bridge.


This bridge is tagged with the following special condition(s): Cast Iron and Reused

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Photo Galleries and Videos: Aldrich Change Bridge

 
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Bridge Photo-Documentation
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A collection of overview and detail photos. This gallery offers photos in the highest available resolution and file size in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer
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Bridge Photo-Documentation
Mobile Optimized Photos
A collection of overview and detail photos. This gallery features data-friendly, fast-loading photos in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer

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Maps and Links: Aldrich Change Bridge

Coordinates (Latitude, Longitude):
43.064110,-77.247300

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