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Clintonia Road Bridge

Clintonia Road Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: June 3, 2011

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Key Facts

Facility Carried / Feature Intersected
Clintonia Road Over I-96
Rural: Clinton County, Michigan and Ionia County, Michigan: United States
Construction Date and Builder / Engineer
1957 By Builder/Contractor: L. A. Davidson of Saginaw, Michigan and Engineer/Design: Michigan State Highway Department

Technical Facts

Rehabilitation Date
Main Span Length
83 Feet (25.3 Meters)
Structure Length
281 Feet (85.6 Meters)
Roadway Width
26 Feet (7.92 Meters)
4 Main Span(s)
NBI Number

Historic Significance Rating (HSR)
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Bridge Documentation

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

Clintonia Road is the creative name for the county line road made up from the names of the two counties, Clinton and Ionia. The bridge has rocker bearings at each pier and abutment, meaning that all bearings appear to be expansion bearings. This is different from the nearly identical bridge just east of this one on Jones Road. It is not known why the design is different on these two bridges built at the same time.

This bridge is of interest because it has been sensitively rehabilitated. Of particular note, deteriorated concrete railing posts were replaced with replicas that even still include the keyhole impression in the concrete, except for one pillar next to an abutment which for unknown reasons  lacks the keyhole. The sides of the concrete pillars that face the freeway have a grey paint added, but the rest of the posts were not painted for unknown reasons. The roadway and deck was also reconstructed.

Because the rehabilitated replicated the posts design, it is a good rehabilitation in terms of historic preservation. This bridge is not considered an official historic bridge by the government, so it is nice to see they still made a point of restoring the original railing posts.

The only area of improvement might have been that instead of bolting modern Armco guardrails onto the original railings, Michigan's low profile two-tube type guardrail could have been mounted into the curb. This would have obstructed the view of the original railings less while also not requiring holes to be drilled into the original railing posts.


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