May 27, 2026
The Montana Department of Transportation (MDT) and Riverside Contracting, Inc. will pave road connections and private driveway entrances on Montana Highway 83 (MT 83) between mile markers 77.4 to 77.1 and 71.9 to 71.3 (Six Mile Creek and Hall Creek, respectively) up to the state property line, also known as the right of way. Farm field entrances will be paved for the first 12 feet beyond the highway shoulder, with gravel used beyond that point.
Mailboxes located within the construction areas will be replaced as part of the project. This includes two mailboxes in the northern section and 15 in the southern section.
Mailbox pullout areas next to the highway will also be paved in certain locations. Two pullouts in the northern section and four in the southern section are planned to receive pavement improvements.
May 6, 2026
The Montana Department of Transportation (MDT) and Riverside Contracting, Inc. anticipate pausing work on Montana Highway 83 (MT 83) near Swan Lake until early June.
The project is anticipated to be complete in August 2026.
April 27, 2026
The Montana Department of Transportation (MDT) and Riverside Contracting, Inc. continue building the detour at Six Mile Creek and working at Hall Creek, weather and other factors permitting. Drivers can expect single lane traffic, reduced speeds to 35 mph, temporary signals, and a pilot car. Working hours are 7 a.m. to 5 p.m. Monday through Friday.
The project is anticipated to be complete in August 2026.