Aerial view of the II-90 Yellowstone River Project highway widening in Billings, Montana

I-90 Yellowstone River Road

Sanbell – Rocky Mountain (formerly Sanderson Stewart) supported HDR on the I-90 Yellowstone River Project in Billings, Montana. This Montana Department of Transportation (MDT) project upgrades a critical stretch of Interstate 90 to improve safety, traffic flow, and long-term infrastructure resilience. The project will finish in 2024. It widens the interstate inward to add an […]

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Aerial view of the Central Avenue and Roundabout at Central Avenue and 56th Street in Billings, Montana after construction.

Central Avenue and 56th Street Roundabout

Sanbell played a key role in completing the Roundabout Central & 56th project (UPN 8611000) in Billings, Montana. Construction finished in 2022. The project included designing and building a roundabout as part of two safety initiatives. It also involved major irrigation, access, and drainage improvements. Sanbell handled road design, topographic surveying, cadastral Certificate of Survey […]

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Athletes using new synthetic turf football field at Winifred School with LED field lighting, bleachers, and surrounding track.

Winifred High School Synthetic Turf Replacement

Following a generous donation from philanthropist Norm Asbjornson, a native of Winifred, Montana, Winifred Schools expanded its facilities. The expansion includes more classrooms, a welding shop, trades-focused classrooms, and a greenhouse. Sanbell (formerly Sanderson Stewart) provided landscape architecture services for the renovation of Winifred School. Our team designed the landscape and irrigation systems. This includes […]

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Completed Skyline Trail overlooking Billings, Montana.

Skyline Trail

Sanbell (formerly Sanderson Stewart) has supported the Skyline Trail from the earliest planning stages. During the Highway 3 Corridor Study, our team identified the trail as a feasible and high-value connection for recreation and active transportation. Billings TrailNet selected Sanbell to provide surveying and civil engineering services for the trail design. Our team evaluated multiple […]

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Welcome to Sanbell — The Core Design team is now part of Sanbell, bringing together talented professionals, expanded capabilities, and a shared commitment to serving our clients and communities. You’ll continue working with the same trusted team, now backed by the strength and resources of Sanbell.

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