From the record
“The US 31-Pentwater River Bridge is a three-span steel bridge that carries Oceana Drive over the Pentwater River in northern Hart, Michigan. It is listed on the National Register of Historic Places.”
Wikipedia article US 31-Pentwater River Bridge, CC BY-SA 4.0.
One of 6 National Register listings published here for Oceana County · listed in 1999 · category: Structure · built in 1954.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service


