I -74 Iowa-Illinois Corridor Study
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.