Bridge Street Bridge, Spanning Grand River at Bridge Street, Portland, Ionia County, MI
Significance: The Bridge Street Bridge in Portland is a rare two-span metal through truss, with two spans 100 feet in length, featuring decorative treatment at the end posts. This is the oldest known surviving example of a truss bridge built in Michigan by the Groton Bridge and Manufacturing Company of Groton, New York, a significant Eastern bridge manufacturing firm. It was listed as eligible for the National Register of Historic Places in April, 1986.
Survey number: HAER MI-41
Building/structure dates: 1890 Initial Construction