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Jasper McKeaigg Road Bridge

Lawrence County Bridge 54

Jasper McKeaigg Road Bridge

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: May 10, 2010

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Key Facts

Facility Carried / Feature Intersected
Jasper McKeaigg Road (CR-1050 East) Over Guthrie Creek
Location
Rural: Lawrence County, Indiana: United States
Construction Date and Builder / Engineer
1897 By Builder/Contractor: Lafayette Bridge Company of Lafayette, Indiana

Technical Facts

Rehabilitation Date
1982
Main Span Length
95.5 Feet (29.11 Meters)
Structure Length
98 Feet (29.87 Meters)
Roadway Width
12 Feet (3.66 Meters)
Spans
1 Main Span(s)
NBI Number
4700029

Historic Significance Rating (HSR)

Bridge Documentation

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

This bridge is a traditionally composed example of its type. Built in the later part of the pin-connected truss bridge era, it shows the final conclusion of all the experimentation and creativity that occurred in the late 1800s, which is that of standardization as bridge builders found the design and parts that were the best suited for the job.

This bridge is in fair condition, but is in need of a comprehensive rehabilitation to make sure it can continue to serve light rural traffic for decades to come.

Information and Findings From DHPA Historic Bridge Survey

Statement of Significance

Built by a prolific Hoosier firm, this unadorned structure retains its original members, although the I beams welded to the floor beam bottoms and the concrete caps around the southern endposts suggest contemporary modifications for support.

Architectural Description

The Lafayette Bridge Company of Lafayette, Indiana, fabricated this single-span, pin-connected Pratt through truss which is seated upon cut stone abutments and wingwalls. Intermediate verticals of laced channels divide the 99' span into most of its six panels. Eyebars provide the diagonals: pairs stretch toward center span from the top panel point to the bottom of all except the endpost panels; cylindrical eyebars with turnbuckles counter the others in the two most central panels. U-bolted to the lower pins, I floor beams carry the timber deck with its 11'5" roadway and 16' of vertical clearance.

ALTERATIONS: The I beams welded to the floor beam bottoms and the concrete caps around the southern endposts suggest contemporary modifications for support.

Other Information

This bridge was part of a 4-bridge combination contract negotiated for $3,300 in June 1897 with the Lafayette Bridge Company. One of the structures was to be 100-feet long and to carry a 12-foot roadway. In November, Lafayette Bridge received a $1,300 payment for two bridges in Guthrie township, one of which was over Guthrie Creek.

Bridge Considered Historic By Survey: Yes

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Photo Galleries and Videos: Jasper McKeaigg Road Bridge

 
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Crossing The Bridge
Full Motion Video
Streaming video of the bridge. Also includes a higher quality downloadable video for greater clarity or offline viewing.

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