Gugel Bridge - Credit: Wikimedia Commons
The Gugel Bridge, also known as the Beyer Road – Cass River Bridge, is a bridge carrying Beyer Road over the Cass River in Frankenmuth Township, Michigan. It was listed on the National Register of Historic Places in 2000. It is the only remaining example in Michigan of a bridge with both a pony truss span and a main through truss span. Read more on Wikipedia
Source: en.wikipedia.org