Offices


Salt Lake CityGeolocation: 40.6251, -111.8964

Terracon’s office in Midvale, Utah has a qualified, experienced staff of more than 50 geotechnical and environmental engineers and scientists, Certified Industrial Hygienists and Certified Safety Professionals, field engineers, materials testing technicians, and Special Inspectors. Terracon’s team members are highly experienced, familiar with local soil and seismic conditions, and have successfully completed a wide variety of projects throughout Utah and surrounding states. Engineering News Record has ranked Terracon as the #1 Intermountain Geotechnical and Environmental Firm. Utah Construction and Design ranks Terracon #10 among Utah’s Engineering Firms. Terracon is proud to be part of Utah’s thriving economic growth. Our areas of expertise include:

  • Transportation (highways, bridges, pedestrian trails)
  • Transit (TRAX light rail and FrontRunner commuter rail)
  • Airports
  • Power Generation and Transmission
  • Renewable energy
  • Commercial Office, Retail and Mixed Use
  • Industrial
  • Logistics/Distribution Centers
  • Environmental Services
    • Phase I Environmental Site Assessments  (ESAs)
    • Limited site investigations (“Phase II”)
    • Brownfields assessments and remediation oversight
  • Asbestos, lead-based paint and mold inspection and abatement oversight
  • Industrial Hygiene
    • Silica
    • Indoor Air Quality
    • Noise & Dust Exposure
    • Air Sampling
    • Respiratory Protection
    • Hearing Conservation
    • Industrial Hygiene Training
    • Construction Site Safety & Health
    • Health & Safety Plans
Our fully equipped, 3,500-sq. foot geotechnical and materials laboratory has been inspected and accredited by AASHTO's AMRL and CCRL, USACE, UDOT's LQP, and other rigorous "in-house" quality programs. Please visit us, or contact us to learn more.  

Key Projects


Frontrunner SouthGeolocation: 0, 0
Terracon provided geotechnical engineering services for the construction of 44 miles of track for Utah Transit Authority (UTA) Commuter Rail line extending from Salt Lake City to Provo. The scope of work included geotechnical exploration and environmental services report preparation and consultation throughout design and construction of the project, which included 30 railroad crossings.

Pioneer Crossing 60-inch Water PipelineGeolocation: 0, 0
Terracon was selected to perform the preliminary geotechnical study and the design-build geotechnical construction services for the Central Utah Water Conservancy District's (CUWCD) 60-inch aqueduct extending four miles. The alignment of the pipeline crossed the Jordan River which posed a geotechnical challenge for the design of the project. Terracon provided geotechnical subsurface exploration, field and laboratory testing and engineering analysis for the design and construction of the aqueduct. Special attention was directed to evaluation of liquefaction and lateral spread, subsidence…

 Terracon provided geotechnical engineering services in support of the design build project of the Pioneer Crossing Bridge.
Pioneer Crossing Design-BuildGeolocation: 40.3897, -111.8475
Pioneer Crossing is a new arterial roadway planned through Lehi connecting Redwood Road (SR-68) on the west to I-15 on the east, a total distance of approximately 6 miles. Terracon provided geotechnical site evaluation and engineering services in support of the design-build project delivery method. Terracon’s services included field exploration, construction laboratory testing and geotechnical site evaluation. Laboratory tests included triaxial shear, consolidation, gradation, and other soil property tests.