Project Overview
The Montana Department of Transportation (MDT) partnered with Riverside Contracting, Inc., to complete Americans with Disabilities Act (ADA) upgrades in Lewistown. The project included ADA-compliant sidewalks, ramps, approaches, and new signage along 1st Avenue North and 1st Avenue South from Broadway Street to Upper Spring Creek Road.
Construction began in fall of 2024 and was completed in November 2025. To enhance safety and accessibility for all users, the ADA improvements included 17 ADA corner ramps, 29 sign replacements, 26 reconstructed approaches, and more than 11,000 square feet of new sidewalks.
December 9, 2025 Construction Update
Construction on the Lewistown ADA Upgrades project is complete! This included:
- Reconstructing approaches, corner ramps, and sidewalks
- Updating signage
- Roadway striping and new pavement markings
Project Map
Billings District ADA Upgrades
The Lewistown ADA project was one section of the Billings District ADA Upgrades project, which also includes improvements in Bridger and Billings. As a part of MDT’s statewide effort to improve pedestrian facilities across Montana, this project will bring sidewalks in each of these communities into compliance with current ADA standards, allowing greater accessibility for all.
UPN 10431000