INTERRA is IDOT prequalified in Special Services – Construction Inspection and Airports – Construction Inspection. INTERRA works as both a Prime and a subconsultant for many distinguished clients on many distinct projects. Our team of inspectors, document technicians, Project Managers, and Resident Engineers have the credentials to successfully perform duties for any project. A partial list of Construction Inspection projects are highlighted below:
- Burlington Northern Santa Fe Railway (BNSF) Over the Tri-State Tollway (I-294) (I-18-4428, I-18-4412)
- CM Services Upon Request (13 projects)
- IDOT, US Route 45 – LaGrange Road Reconstruction and Widening (60F05, 60W09, 60M61, 60M62)
- IDOT, I-57 3R Resurfacing & Structure Repairs (66F09)
- CM Services Upon Request RR-20-4525
- IDOT, IL 19, Irving Park Road at York Road
- I-55 Route 6 (60I30, 62A00)
- IDOT, Mannheim Road (60G37)
- IDOT, I-57 3R Resurfacing & Structure Repairs (66F09)
- IDOT, I-55 Route 6 (60I30, 62A00)