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Road and bridge improvements to begin on Montana 141 in mid-August

Helmville, Montana (August 5, 2021) - The Montana Department of Transportation and LHC, Inc. will begin construction on MT-141 in Powell County in mid-August. The project begins near the northwest end of Nevada Lake and extends northwest for 12.5 miles ending at the junction of MT-141 and MT 200.

The project will improve the roadway and bridges along roughly 12.5 miles of MT-141. Roadway improvements include minor bridge upgrades, crack seal, plant mix overlay, and seal and cover (chip seal). Additionally, the project includes upgraded pavement markings, signage, and guardrail. The purpose of the project is to improve the safety, quality, and longevity of the roadway.

Work will begin in mid-August and be substantially complete by the end of October. The traveling public should expect reduced speeds, single lane traffic controlled with flaggers and/or traffic signals and delays up to 15 minutes through the work zone. Seal and cover (chip seal) operations will occur during summer 2022.

The Montana Department of Transportation would like to remind motorists to use caution when driving through the construction zone. Motorists are advised to watch for work crews, heavy equipment, and reduced speed limits. Posted limits are enforced until signs indicate the work zone has ended.

MDT is dedicated to expediting this project and apologizes for any inconvenience. Travelers are encouraged to plan ahead and adjust their travel time accordingly for the duration of the project. For the very latest information on the construction, and other road conditions around Montana, visit

For additional information please contact the Great Falls Engineering Project Manager Camaree Uljua at (406) 444-9320 or the Great Falls Construction Engineer Rich Hibl at (406) 454-5910.

Alternative accessible formats of this document will be provided on request. Persons who need an alternative format should contact the Office of Civil Rights, Department of Transportation, 2701 Prospect Avenue, PO Box 201001, Helena, MT 59620. Telephone 406-444-5416 or Montana Relay Service at 711.


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