From the record
“The Grist Mill Bridge, Dam and Mill Site consists of three structures located along Upton Road between Island Road and the Maple River, one-half mile west of Elsie, Michigan in Duplain Township. The three structures are:Upton Road Bridge, the last known surviving metal truss highway bridge in Michigan built by Detroit Bridge & Iron Works, and one of only three remaining Parker truss bridges in Michigan.”
Wikipedia article Grist Mill Bridge, Dam and Mill Site, CC BY-SA 4.0.
One of 6 National Register listings published here for Clinton County · listed in 2015 · category: District.
Sources: the Wikipedia article · the National Register database, National Park Service · the Wikipedia article
