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18 1/2 Mile Road Bridge

18 1/2 Mile Road Bridge

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: Fall 2005 and May 29, 2021

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Facility Carried / Feature Intersected
18 1/2 Mile Road Over I-94
Location
Rural: Calhoun County, Michigan: United States
Construction Date and Builder / Engineer
1960 By Builder/Contractor: Holloway Construction Company of Livonia and Wixom, Michigan and Jarvick Construction Company and Engineer/Design: Michigan State Highway Department
Rehabilitation Date
Not Available or Not Applicable
Main Span Length
71.0 Feet (21.6 Meters)
Structure Length
227.0 Feet (69.2 Meters)
Roadway Width
24 Feet (7.32 Meters)
Spans
4 Main Span(s)
Inventory Number
13113083000S030

Historic Significance Rating (HSR)
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Bridge Documentation

It is expressway bridges like this that help turn a boring expressway drive into a beautiful look into historic bridge design. Curved t-beam bridges like this one were built in the late 50s and early 60s, and are among the last bridges built in Michigan to incorporate aesthetics as a major part of the design. This aesthetic detail can be seen in the railings and the elegant curved nature of the beams. The curved beams also served to increase vertical clearance on the bridge.

With a construction date of 1960, this bridge was not be old enough to be eligible for the National Register of Historic Places until 2010. This bridge is a good example of curved t-beam construction on I-94. MDOT has recently been going around and bolting modern Armco railings to a number of these bridges. Any bridges that remain without these railings added stand out as having a greater level of historic significance.

This section of I-94 is a high priority NAFTA corridor as well as just a plain busy expressway. If MDOT were to upgrade this highway, which has a high accident and fatality rate, to three lanes, many bridges would likely be demolished. It is possible however, that these t-beams would be able to stay. Sigler Road Bridge on I-75 holds three lanes under it.

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


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

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Photo Galleries and Videos: 18 1/2 Mile Road Bridge

 

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Bridge Photo-Documentation

A collection of overview and detail photos. This photo gallery contains a combination of Original Size photos and Mobile Optimized photos in a touch-friendly popup viewer.
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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

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: 18 1/2 Mile Road 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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USGS National Map (United States Only)

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CalTopo Maps (United States Only)


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