Quality, Service & Commitment


  • 26 Oct 2017

    INTERRA To Host Ribbon Cutting With Bolingbrook Mayor Celebrating Going Green

  • 21 Jul 2017

    Recipient Of Service Award Thanks INTERRA for Engineering Support With Jane Byrne Circle Interchange

  • 15 Mar 2017

    INTERRA, Inc. Full-Time Field Technician Openings in Franklin, WI

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Laboratory Certifications

  • IL & WI State DOTs
  • ASTM


Firm Certifications

  • DBE with IDOT
  • MBE with City of Chicago

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U.S. Route 34 at the Canadian National (CN) Railroad Bridge Construction: “Thanks very much for a job well done throughout this entire project. Congratulations to you and your staff!” David A. Cuthbertson, PE, Senior Project Manager, Alfred Benesch & Company

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Village of Bolingbrook, IL

The scope of the work includes construction materials testing services for the various city projects, resurfacing, MFT program and Historic District projects to ensure proper installation of construction materials. All work will be performed per the IDOT Standard Specifications for Road and Bridge Construction and the Standard Specifications for Water & Sewer Main Construction of Illinois. Projects will be performed in accordance with the Illinois Department of Transportation specifications for QC/QA of both asphalt and concrete materials. Other Village funded projects will require testing as determined by the Village on-site representative.