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Port Inland Road Bridge

Port Inland Road Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: October 1, 2012

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Key Facts

Facility Carried / Feature Intersected
Port Inland Road (CR-432) Over Milakokia River
Location
Rural: Schoolcraft County, Michigan: United States
Construction Date and Builder / Engineer
1931 By Builder/Contractor: Perkins Bridge and Supply Company

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
60 Feet (18.29 Meters)
Structure Length
63 Feet (19.2 Meters)
Roadway Width
30.8 Feet (9.39 Meters)
Spans
1 Main Span(s)
NBI Number
9703

Historic Significance Rating (HSR)

Bridge Documentation

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

Port Inland Road does exactly what it says on the sign: it provides access to Port Inland, which is somewhat unusual because it is an active, noteworthy port on the Great Lakes, but it has no community surrounding it. Port Inland Road leads right to the port and dead-ends. Port Inland was created in 1930 by Inland steel which needed limestone materials, available in this area, for its steelmaking process. Shortly thereafter, this bridge was built to carry an extension of a state trunk line highway designated M-99. The M-99 extension provided access to Port Inland. Trunk line designation did not last long however, since by 1937, the road was returned to local control. The bridge remains as a reminder of this road's brief trunk line past. The bridge is also a good example of a state standard steel stringer bridge with aesthetic concrete encasement on the fascia beams and with balustrade railings. This design was built from 1927 through 1932. This bridge is a good example of that design because it has suffered very little concrete spalling and deterioration. The only drawback to the bridge's historic significance is the addition of modern Armco style guardrails.

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