Historic Bridges
of the United States
Montmorency County
Michigan
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Alcona County, MI
Alpena County, MI
Cheboygan County, MI
Crawford County, MI
Oscoda County, MI
Otsego County, MI
Presque Isle County, MI
Thunder Bay River Bridge
Pony truss bridge over Thunder Bay River on Ulshaffer Road
Closed to all traffic
Built ca. 1930