Stone Quarry Bridge - Credit: Wikimedia Commons
The Stone Quarry Bridge is a historic Pratt truss bridge which carries Township Road 1000N across the Embarras River in Coles County, Illinois, near Charleston, Illinois. The bridge is a double-intersection Pratt truss bridge, a variant of the Pratt truss in which the diagonal supports cross multiple panels; it is the only bridge of its type in the county. It is long, and its eastern and western portals are and high respectively. Built in 1883 by the King Iron Bridge Company, the bridge is the oldest truss bridge in the county as well as the oldest bridge in the county which is still open to traffic. Read more on Wikipedia
Source: en.wikipedia.org