RR bridge (NS #3) across Raisin River in Monroe, Monroe County, MI. Elm Av. W. 0.8 miles from jct with I75 exit 14 on the E. side of Monroe to the bridge on the S. side of the road. The W. most of the 2 bridges. (10-21-07, N41 54.75 W83 22.83) Photo by Mark Comstock.