CBBEL is part of the Parsons Brinckerhoff Project Team selected by IDOT to provide Phase I engineering studies and environmental services for the reconstruction of I-290 (Eisenhower Expressway) from Mannheim Road to Cicero Avenue. Hydrologic and hydraulic analyses included a detailed study of the 3 miles of trunk sewer tributary to the pump station, including calibration to flooding events.
Cook County, Illinois
$1.2 billion / $635 thousand
Illinois Department of Transportation