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Temporary Road Closure Canyon Ferry Dam Hwy 284



For Release: Sept. 12, 2022

Media Contact: Brittany Jones, 406-247-7611,


Temporary road closure at Canyon Ferry Dam will facilitate required repairs


HELENA, Mont. - Access across Canyon Ferry Dam on Montana State Highway 284, at both sides of the dam, will be closed to traffic Sept. 26-29, from 8 a.m.- 3 p.m. each day. The temporary road closure will allow Reclamation to safely conduct operations necessary to complete project work on the dam infrastructure. 


Required work includes replacing electrical components of the dam that are integral to the operation of the gantry crane. Travelers must seek alternate routes, north and south of the dam during the closure period. However, emergency vehicles and first responders will be allowed to pass over the dam during the road closure but may face delays of approximately 15 minutes.


Contact the Canyon Ferry Field Office at 406-475-3310 or visit for more information.



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The Bureau of Reclamation is a federal agency under the U.S. Department of the Interior and is the nation's largest wholesale water supplier and second largest producer of hydroelectric power. Its facilities also provide substantial flood control, recreation opportunities, and environmental benefits.  Visit our website at and follow us on Twitter @USBR.

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