Iron bridge (Timber Run) across Timber Run W. of Zanesville, Falls Township, Muskingum County, OH. US40 W. 0.9 miles from jct with I70 exit 152 just W. of Zanesville, S. on Kopchak Rd. 250’ to the bridge. (5-5-06, N39 57.15 W82 03.81) Photos by Jack Schmidt.