Historic Bridges of the U.S. | Putnam County, Illinois

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Hennepin Bridge
Lost bridge over Illinois River on Old IL 26 in Hennepin
Replaced by new bridge
Replaced 1969, was built downstream from present bridge

Henry Bridge
Six-span through truss bridge over the Illinois River on IL 18 at Henry
Open to two-lane traffic
Built 1934; rehabilitated 1988

Spring Valley Bridge
Five-span through truss bridge over the Illinois River on IL 89 south of Spring Valley
Open to two-lane traffic
Built 1934; rehabilitated 1989