Montana Department of Transportation

Malcolm “Mack” Long, Director


View the Governor’s Coronavirus Task Force site for more information.

MDT News

Road And Bridge Improvements Begin On MT-141 In Mid-August

Helmville, Montana (August 5, 2021)   The Montana Department of
Transportation (MDT) 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

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. 

Montana Department of Transportation (MDT) 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.

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.