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SR-158 Rockfall Mitigation

Client:

Utah Department of Transportation

Project Type:

Project Management

Location:

Ogden, Utah

Rockfall mitigation on Utah’s SR-158 near Pineview Reservoir used 3D slope modeling and geotechnical analysis to design a mesh system that improves long-term safety and protects access to the Ogden Valley.

About the Project

Advanced slope modeling supported long-term safety on a key regional corridor

The state Route 158 rockfall mitigation project addressed a growing safety concern along a key stretch of highway near Pineview Reservoir. Frequent rockfalls onto the roadway made it critical to evaluate the hazard and develop a long-term solution that would protect drivers and preserve access to the Ogden Valley region. Stanley Consultants led the engineering design effort, which included geologic mapping, a comprehensive rockfall assessment, preparation of a geotechnical report and support through final design and construction.

Working closely with a geotechnical partner, the team evaluated slope conditions and conducted targeted field testing to inform design recommendations. A mesh system was selected to mitigate the rockfall hazard. To support the design, unmanned aerial systems (UAS) captured a detailed 3D model of the slope, allowing the team to map the rock face with precision. This approach enabled an efficient, accurate layout of the mesh while reducing the need for time-consuming and hazardous fieldwork.

By combining advanced technology with local geologic insight, the team delivered a focused, reliable solution to reduce rockfall risk and improve long-term corridor safety.

By The Numbers

  • 13

    High-hazard rockfall zones

Solutions

Engineering & Design

Engineering and design services at Stanley Consultants combine our robust technical skills with forward-thinking innovation to deliver the highest-quality results.

Engineering Project Management

At Stanley Consultants, our project management solutions deliver projects on time, within budget, and within the specifications our clients are seeking. We have a proven track record of successfully managing complex projects across industries ranging from energy to water to transportation. Our methodologies are designed to ensure an efficient workflow, mitigate risk and address the needs of all stakeholders. Stanley Consultants is an innovative, experienced project management partner you can trust.

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