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PROJECTS
CROW DAM SPILLWAY


Crow Dam Spillway Modification Area 3 2021
LOCATION: Ronan, MT
OWNER: Confederated Salish Kootenai Tribes
ENGINEER: Stantec
Big Sky Civil Constructors and Montana Civil Constructors Joint Venture was contracted in March 2020 to rehabilitate the spillway on the Lower Crow Reservoir. The project includes demolition of the existing concrete spillway, excavation, underdrains, zoned filter material, cutoff wall, mass concrete slabs, construction of a piano key weir, new spillway channel, zoned backfill, riprap, reclamation of the site, and installation of a precast bridge.

GALLERY
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