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

More News


Laboratory Certifications

  • IL & WI State DOTs
  • ASTM


Firm Certifications

  • DBE with IDOT
  • MBE with City of Chicago

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You have skilled people, a superior laboratory facility with all the equipment in excellent condition and an outstanding QC/QA program. Your certified tranined staff was knowledgeable, courteous and proactive…

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Neal F. Simeon Career Academy, Chicago, IL

INTERRA Services

Bearing pressure tests for the foundations

Field soil compaction testing for backfill material in the foundations and floor areas

Concrete field testing including re-bar inspection during the placement of the concrete

Mortar and Grout sampling and testing

Random sampling and testing of the CMU blocks and bricks

Structural steel testing consisting of weld inspections, shear stud testing, magnetic  particle testing and bolted connection testing

Asphalt testing services for the parking areas

Project Background

The new school consisted of over 150,000 square foot area with basketball courts, swimming pools and auditorium.