Starved Rock Locks & Dam, Illinois Waterway River mile 231, Peru, La Salle County, IL

Significance: Starved Rock Lock and Dam consists of a 1,310' straight-crested, reinforced-concrete gravity dam and a 110' x 600' Ohio River Standard lock with horizontally framed miter gates. A 518' headgate section and a 714' controlled spillway make up the dam, which ranges in height from 21' to 31' above the riverbed. Starved Rock is the southernmost facility in the original Illinois Waterway, which linked the Great Lakes to the lower reaches of the Illinois River and ultimately to the Gulf of Mexico. The waterway substantially increased the level of waterborne commercial traffic through the heart of the country.
Survey number: HAER IL-127
National Register of Historic Places NRIS Number: 66000325