Quality, Service & Commitment

INTERRA NEWS

  • 22 Jan 2018

    Civil Engineer Needed

  • 08 Dec 2017

    INTERRA Honored With 2017 IRTBA Green Industry Achievement Award For Green Initiatives

  • 26 Oct 2017

    INTERRA To Host Ribbon Cutting With Bolingbrook Mayor Celebrating Going Green

More News

Certified

Laboratory Certifications

  • IL & WI State DOTs
  • ASTM
  • AASHTO
  • USACE

 

Firm Certifications

  • DBE with IDOT
  • MBE with City of Chicago

Read More

Testimonials

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. ┬áThis was a very high profile project with a one …

Read More

Wisconsin Ave Bridge Replacement, Juneau Ave Bridge Rehab, City of Milwaukee, WI