This bridge is similar in style to two other old US 51 bridges found in this part of Illinois that were built in the 1920s. It may have been built in that time frame.
Dimensions
Length of largest span: 50.9 ft.
Total length: 106.0 ft.
Deck width: 17.1 ft.
Approximate latitude, longitude
+38.89810, -89.41936(decimal degrees) 38°53'53" N, 89°25'10" W (degrees°minutes'seconds")