Midvalley Highway

RB&G provided geotechnical investigations and design for a new Interstate 80 interchange and connector to Highway 138 in Tooele County, including technical review services, quality control and quality assurance, and testing. Recommendations for mitigating global retaining wall stability and settlement concerns included lightweight fill, base reinforcement (high-strength geotextile), surcharge designed in accordance with Utah Department of Transportation geotechnical policy, and two-stage MSE walls.

Location: Tooele County, Utah