The Washington Mill Bridge is a road bridge crossing Lytle Creek near Bernard, Iowa that was built in 1877âÂÂ78. It is a bowstring, through arch bridge, manufactured and built by the Massillon Bridge Company.
The bridge is significant for its engineering. Its span is and it cost $2,589. As of 1994, the bridge's setting was relatively unchanged since the bridge's construction more than 100 years before.
It was listed on the National Register of Historic Places in 1998.