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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143rd Street & LaGrange Road Improvements

ACEC-Illinois: 2013 Engineering Excellence Awards Honor Award-Special Project Owner: Village of Orland Park V3 Companies of Illinois Ltd. Norris Design / Interra / ARA Inc. The Village of Orland Park reconstructed the intersection of 143rd Street and LaGrange Road at the northern …

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FDOT Prequalification

INTERRA’s Sanford, FL office is prequalified for the categories 9.2 Geotechnical Classification Laboratory Testing & 9.3 Highway Materials Testing. These are in addition to the previous prequalifications for 10.1-Roadway Construction Engineering Inspection and 10.3-Construction Materials Inspection.

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