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The Illinois Department of Transportation (IDOT) is the lead agency for construction of the new eastbound McClugage Bridge. Additionally, IDOT has contracted with professional service consultants, including:​

Michael Baker Engineering International, Inc.

HR Green

Illinois Construction & Environmental Consulting, Inc.

Images, Inc.

Hermann & Associates LLC

Infrastructure Engineering, Inc.

Mauer-Stutz, Inc.

Kaskaskia Engineering Group

Terra Engineering, Inc.

Prime Contractor:

Johnson Brothers Corporation

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