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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LPV111, New Orleans East Back Levee, Louisiana: “Management was attentive to our needs, provided the advice needed to make cost effective decisions, and followed through with action in the field.  This was a very high profile project with a one …

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INTERRA’s engineering, geotechnical, and environmental professionals have successfully completed for clients in a wide variety of industries and settings, some of the most demanding projects encountered – in terms of scale, schedule, coordination, and physical constraints.  With a team-based effort to provide solutions that are practical, innovative, and cost-effective, INTERRA routinely provides its expertise to achieve project objectives.

For insight into just a few of our many engineering project successes, we invite you to review the following project profiles.