(BNSF RR #1, 104') across BNSF RR S. of Marion, Southern Township, Williamson County, IL. IL37 (Court St.) S. 4.9 miles from jct with Main St. in Marion, W. on Southern Hunt Rd. 0.6 miles to the bridge. (N37 39.743 W88 57.501) Photo 8-3-14.