MDT asks for comments on proposed bridge project east of Manhattan

The Montana Department of Transportation (MDT) would like to announce and invite the public to comment on a proposal to replace the bridges that cross the Gallatin River on Interstate 90 (I-90), approximately 3 miles east of Manhattan.

Proposed work includes bridge replacement, surfacing work, upgraded guardrail, and new signage. The purpose of the project is to replace the existing bridges with new structures that meet current design standards.

Construction is tentatively planned for 2026 depending on completion of design and availability of funds. No new right-of-way or utility relocations w...