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Benn Road Bridge

Benn Road Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: November 5-6, 2021

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Facility Carried / Feature Intersected
Benn Road Over Sandstone Creek
Location
Rural: Jackson County, Michigan: United States
Construction Date and Builder / Engineer
1939 By Builder/Contractor: Unknown
Rehabilitation Date
Not Available or Not Applicable
Main Span Length
47.0 Feet (14.3 Meters)
Structure Length
49.0 Feet (14.9 Meters)
Roadway Width
27 Feet (8.23 Meters)
Spans
1 Main Span(s)
Inventory Number
4479

Historic Significance Rating (HSR)
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Bridge Documentation

Severely deteriorated, this is one of the last surviving examples of a bridge from before 1940 that features type R4 railing. This is significant because before 1940, the concrete railing posts followed a different style, with stronger Art Deco detailing that the keyhole design seen after this time. Very few bridges remain from this period. This bridge's R4 railing is in horrible condition, partially due to the fact that the pre-1940 railings were not always galvanized like later railing was. The steel beams are also in bad condition; the bridge was posted for only 7 tons in 2021, which is extremely low for a bridge of this age and design. The bridge will likely come under risk for demolition and replacement. Also unusual is the construction date stamped into one of the railing posts. This was not a typical practice of the state highway department, however this was a county-built bridge and sometimes counties made changes to the standard plans. There is another state standard design bridge in Jackson County that is similarly stamped, suggesting this was perhaps a standard county practice in the 1930s.

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

 

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Maps and Links: Benn 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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