Public Open House
The Montana Department of Transportation (MDT) and its partner Kiewit will be hosting a public open house to share information about the MT 200 Bridges Lewistown Area project.
Tuesday, April 8, 2025
4 to 6 p.m.
Grass Range High School
310 E 2nd Street, Grass Range
March 10, 2025
The contractors are currently mobilizing and staging equipment and materials in the project area in preparation for of construction.
February 12, 2025
The Montana Department of Transportation (MDT) and its partner M.A. DeAtley Construction, Inc. began work on the Briggs Coulee detour in Spring 2024.
Construction is expected to begin on bridges #5990, #6005, and #5994 in April 2025; however, this is dependent on weather and other unforeseen factors.
If you have questions or comments, please do not hesitate to contact the project communications team at