I-90 bridge decks-crow agency (CN & CE) multiple routes, big horn county, bridge rehabilitation on several structures at various reference points

The Federal Highway Administration awarded the Montana Department of Transportation $8,791,608 on August 31, 2026, for bridge rehabilitation on multiple structures along I-90 at Crow Agency in Big Horn County, Montana. This is a Formula Grant funded under the Highway Planning and Construction program (CFDA 20.205).

The project encompasses bridge deck replacement, deck milling, deck repair, modified concrete overlay, polyester polymer concrete overlay application, bridge deck crack sealing, rail replacement, expansion joint replacement, guard angle removal, roadway approach work, and guardrail replacement at various reference points across multiple routes. Work will be performed in Big Horn County, Montana, with an ultimate completion date of October 8, 2029.

Project description

Construction project for bridge rehabilitation on several structures bridge deck replacement, bridge deck milling, deck repair, modified concrete overlay, PPC overlay, bridge deck crack seal, rail replacement, expansion joint replacement, guard angle removal, roadway approach work, and guardrail replacement. This project is located in big horn county on multiple routes at various reference points.