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Merriman Road Bridge

Merriman Road Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: January 10, 2012

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Key Facts

Facility Carried / Feature Intersected
Merriman Road Over Lower River Rouge
Location
Westland: Wayne County, Michigan: United States
Construction Date and Builder / Engineer
1929 By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
105 Feet (32 Meters)
Structure Length
105 Feet (32 Meters)
Roadway Width
46 Feet (14.02 Meters)
Spans
Main Span Count Not Available
NBI Number
82200155000B010

Historic Significance Rating (HSR)

Bridge Documentation

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

This bridge is one of Wayne County's unusual cantilever concrete arch bridges. Several such examples remain in Wayne County, but the structure type is exceedingly rare elsewhere in the United States. Unlike a true arch bridge, Wayne County's cantilevered arch spans are actually composed of two structurally independent arch halves that cantilever out from the abutments. In Wayne County, most of these bridges have cantilever arms that hold a suspended concrete slab span in the center of the bridge. The Merriman Road Bridge however is an exception to this since it does not include a suspended span. Instead, the two cantilever arms simply meet each other at the center of the bridge. The observant visitor will see confirmation that this is a cantilever arch bridge upon noting the small gap in the guardrail at the center of the bridge and the seam of a joint running across the deck at this point as well, indicating that each half of the bridge is structurally independent.

This bridge's original railings have been replaced with unsightly modern guardrail. However, the underlying arch structure retains good historic integrity with no major alterations noted.

The below photo shows the center of the bridge deck, where the gap in the guardrail is visible.

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Photo Galleries and Videos: Merriman Road Bridge

 
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Bridge Photo-Documentation
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A collection of overview and detail photos. 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: Merriman Road Bridge

Coordinates (Latitude, Longitude):
42.288770,-83.348880

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