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Murphy Bridge

Huntington County Bridge 19

Murphy Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: April 2, 2006 and July 2, 2021

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Facility Carried / Feature Intersected
CR-800 South Over Salamonie River
Location
Rural: Huntington County, Indiana: United States
Construction Date and Builder / Engineer
1928 By Builder/Contractor: Pan American Bridge Company of New Castle, Indiana
Rehabilitation Date
2006
Main Span Length
197.8 Feet (60.3 Meters)
Structure Length
200.0 Feet (61 Meters)
Roadway Width
18.7 Feet (5.7 Meters)
Spans
1 Main Span(s)
Inventory Number
3500015

Historic Significance Rating (HSR)
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Bridge Documentation

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

This is a beautiful 11 panel parker truss with riveted connections, and is seated on concrete abutments. Built in 1928 by the Pan American Bridge Company, it features a heavier design than pin connected designs of this type from decades before. V-lacing and lattice can be found all over this bridge with the exception of the diagonals and bottom chord where battens can be found linking the pairs of rolled beams together. Modern Armco railings have replaced any original railings that might have been on this bridge. Illinois mill marks can be found on the steel for the bridge. Rocker nest bearings are present on the structure. The bridge features a wooden deck with an asphalt layer on top, which may have been a replacement deck from the 1977 rehabilitation date given by the Indiana bridge inventory. A wooden deck seems out of place on a bridge built during this time period and concrete may have made up the original deck.

Information and Findings From DHPA Historic Bridge Survey

Statement of Significance

The only surviving Parker fabricated by this prolific Indiana firm, the structure is of rather standard pattern for its day and retains its original members including its decoratively latticed guardrails.

Architectural Description

Fabricated by the Pan-American Bridge Company of Newcastle, Indiana, and contracted by J. A. Crosbie, this 198' all-riveted Parker through is seated upon concrete abutments and wingwalls. Heavy laced channels of a single size (installed sidewise) divide the truss into eleven panels, the top chord for each being separately angled. Angles (growing lighter towards midspan) are riveted together with stay plates and are installed inward from top to bottom panel points as diagonals. Some are used as counters in the three most central panels. Riveted to gussets and verticals above the lower chord, girder floor beams support the asphalt-over-timber deck with its 19'7" roadway and 14'10" of vertical clearance.

As contractor for the job, J. A. Crosbie of Bluffton probably constructed the substructure and erected the trusses.

Bridge Considered Historic By Survey: Yes


This bridge is tagged with the following special condition(s): Unorganized Photos

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Photo Galleries and Videos: Murphy Bridge

 

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2006 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.
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View Photo Gallery

2006 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.
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View Photo Gallery

2021 Additional Unorganized Photos

Original / Full Size Photos
A supplemental collection of photos that are from additional visit(s) to the bridge and have not been organized or captioned. This gallery offers photos in the highest available resolution and file size in a touch-friendly popup viewer.
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View Photo Gallery

2021 Additional Unorganized Photos

Mobile Optimized Photos
A supplemental collection of photos that are from additional visit(s) to the bridge and have not been organized or captioned. 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: Murphy Bridge

Coordinates (Latitude, Longitude):

Search For Additional Bridge Listings:

Bridgehunter.com: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

Bridgehunter.com: View listed bridges within 10 miles (16 kilometers) of this bridge.

HistoricBridges.org Bridge Browser: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

HistoricBridges.org Bridge Browser: View listed bridges within 10 miles (16 kilometers) of this bridge.

2021 National Bridge Inventory: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

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