Onion Ditch Bridge

Historical marker location:

576 Township Road 174, West Liberty, Ohio

( Marker is on Pickrelltown Road (Local Route 174) ½ mile east of U S Rt 68 (U.S. 68), in the median.)

Marker installed: 2013

First Plastic Bridge in Ohio.

The Ohio River Valley was home to several Native American cultures before European settlement, including the Adena and Hopewell cultures. These cultures left behind many burial mounds and other archaeological sites that are now protected and preserved by the state of Ohio.