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General Pierce Bridge

   


General Pierce Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: October 18, 2013
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Key Facts

Facility Carried / Feature Intersected
Montague City Road Over Connecticut River
Location
Greenfield: Franklin County, Massachusetts
Structure Type
Metal 18 Panel Rivet-Connected Pennsylvania Through Truss, Fixed and Approach Spans: Metal 12 Panel Rivet-Connected Parker Through Truss, Fixed
Construction Date and Builder / Engineer
1947 By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
398 Feet (121.3 Meters)
Structure Length
753 Feet (229.5 Meters)
Roadway Width
26 Feet (7.9 Meters)
Spans
1 Main Span(s) and 3 Approach Span(s)
NBI Number
G12020134DOTNBI

Historic Significance Rating (HSR)

Bridge Documentation

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

View Massachusetts Historical Commission (MHC) Inventory Forms For This Historic Bridge

This bridge was built in 1947. It contains three spans in total. From north to south there is a large Pennsylvania through truss span, a smaller Parker through truss span, and finally two steel stringer spans which were angled to provide a slight curve to the roadway at this point. Both truss spans are noted for their heavy skew which greatly influences the visual appearance of the bridge, giving it a distinctively unusual appearance. Also unusual in both truss spans is the heavy portal bracing containing two rows of lattice, but with a much larger lattice on the lower row. The Pennsylvania truss span is quite different looking from the Parker truss span not just because of the different in truss configuration, but also because the Parker truss span's vertical and diagonal members are composed of rolled beams, while the Pennsylvania truss has built-up beams with v-lacing, giving a greater geometric complexity to the Pennsylvania truss both in terms of member design and truss configuration.

As of 2014, this bridge is reportedly scheduled for rehabilitation.

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