M-94 (old)–Au Train River Bridge - Credit: Wikimedia Commons
The Old M-94–Au Train River Bridge is a bridge located on Wolkoff Road over the Au Train River in Au Train Township, Michigan. It was listed on the National Register of Historic Places in 1999, and is significant because it is one of only two remaining bridges built to an early 20th-century Michigan State Highway Department design standard. Read more on Wikipedia
Source: en.wikipedia.org