Springfield Bridge - Credit: Wikimedia Commons
The Springfield Bridge is a historic bowstring truss bridge, located in Beaverfork Lake Park in Conway, Arkansas, USA. It originally spanned Cadron Creek in rural Faulkner County east of Springfield. It is long, set on stone abutments, with tubular metal top chords that rise above the bottom chords. Built circa 1871–74, it is the oldest documented highway bridge in the state and its only documented bowstring arch bridge. Read more on Wikipedia
Source: en.wikipedia.org