Quality, Service & Commitment


  • 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

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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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Tamiami Trail Project-Florida: “Mr. Vyas and the whole Interra team were instrumental in contributing to the high quality work provided to the USACE.  Interra’s management went above and beyond in meeting our needs.” Larry Corn, Area Quality Manager,  Kiewit Infrastructure …

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Chicago Shore Line Storm Damage Reduction -Montrose Harbor

INTERRA Services

Quality Control Services during construction included soil sampling and analytical testing, embankment construction observation and testing, observation and documentation of sheet piles and H-pile installation and wave equation analysis, concrete testing, inspection and testing for bituminous pavement construction. 

Project Summary

The project involved the construction of a stair-step shoreline revetment approximately 2000 feet long at Montrose Harbor.  Significant items of construction include a steel sheet pile wall with battered pile support, steel H-piles, concrete promenade, stone fill, geotextile separation fabric, and stone toe protection.