Case Studies Civil

I-90 Exit 14 Project – Heavy Constructors Inc

Slated for completion in late 2017, the I-90 Exit 14 project in Spearfish, South Dakota, will replace the existing bridge with a new single-point interchange. The existing bridge is a two-lane structure overpass with more than 11,000 cars passing over it per day. The new interchange will include new on- and off-ramps, which will improve […]

Interwest Consulting Group Inc.

Founded by Terry Rodrigue in 2002, Interwest Consulting Group Inc. (Interwest) has been providing consulting services to public agencies for more than a decade. The Colorado-based company holds offices in nine locations across the state, California and Nevada, as well as several other offices co-located within its many clients. Interwest emphasizes quality service as its […]

Interwest Consulting Group Inc.

The year 2012 marked the 10-year anniversary of Interwest Consulting Group Inc. (Interwest). The Interwest team specializes in providing professional and consulting services to municipalities for all services provided by city or county public works, engineering and building departments. Founded in 2002 by Terry Rodrigue, Interwest started out as a one-man band. “At the time, […]

Interstate 80 Tipton Exchange

Plowing, salting and sanding are things that go hand-in-hand with Wyoming winters. While it’s necessary to treat roads during the harsh-weather months, such treatment can create major problems come spring and summer in the form of cracks, potholes and ruts. Deteriorating roads can be hazardous to drivers, especially when such conditions fall on major highways […]

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