I -74 Iowa-Illinois Corridor Study

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Owner: Illinois and Iowa Department of Transportation
Location: Davenport, Iowa

The I-74 Iowa-Illinois Corridor Study project involved a 6-mile section from 27th Street in Illinois to 67th Street in Iowa for the reconstruction of the I-74 bridge over the Mississippi River.

IEI provided engineering support for the location drainage, performed a hydraulic study for the Duck Creek passing under I-74, and developed a Hydraulic Report.