CONSTRUCTION AHEAD I 90 Westbound Alberton Gorge Bridge The Montana Department of Transportation (MDT) and Frontier West are rehabilitating the westbound bridge that carries Interstate 90 (190) over the Clark Fork River, eight miles west of Alberton. The bridge is safe to drive on but needs immediate short-term repairs to extend the service life of the bridge until the future project replaces the structure. Frontier West will begin the repair work in October and expect it to be completed in early November. 90 Tarkio Interchange EXIT 61 Superior/ Idaho Tarkio Loop Road 90 Map not to scale Old Hwy 10 Traffic will be able to enter the interstate at the westbound Crystal Springs Exit. 190 Bridges EXIT 65 Crystal Springs Eastbound - Westbound 1 90 traffic will need to use the Tarkio Interchange (Exit 61), return to the interstate traveling eastbound, then exit at the eastbound Crystal Springs Exit. Crystal Springs Westbound EXIT 65 WHAT TO EXPECT DURING Westbound Crystal Springs Exit - The westbound Crystal Springs Exit (Exit 65) will be closed for approximately two months beginning in October. Elizabeth Lane WEST OF ALBERTON Fish Creek Interchange EXIT 66 190 WESTBOUND Clark Fork River Bridge/Alberton Gorge Stay alert. Better roads ahead! SLOW FOR THE GIVE WORKERS A BRAKE. Alberton/ Missoula Clark Fork River PROJECT AREA (Westbound Lanes Only) CONSTRUCTION 90 Interstate 90 The westbound bridge will be closed, and traffic will be diverted to the eastbound lanes using crossovers. - Traffic will be reduced to one lane in each direction. -Width and length restrictions will be in place. - Speed limits will be reduced. Sept 2023 ZONE. VISION ZERO Visit the website: mdt.mt.gov/pubinvolve/i90alberton/ TEXT/SMS UPDATES: text ALB90 to 866-434-0866 (toll-free)* Sign up for email updates: brandon@rbci.net *Texting alerts are not managed by MDT and may have different privacy and security policies. For more information read the Simple Texting Privacy Policy by visiting: https://simpletexting.com/privacy-policy/ Alternative accessible formats of this document will be provided on request. Persons who need an alternative format should contact the Office of Civil Rights, Montana Department of Transportation, 2701 Prospect Avenue, PO Box 201001, Helena, MT 59620. Telephone 406-444-5416 or Montana Relay Service at 711. CONSTRUCTION AHEAD I 90 Westbound Alberton Gorge Bridge The Montana Department of Transportation ( MDT ) and Frontier West are rehabilitating the westbound bridge that carries Interstate 90 ( 190 ) over the Clark Fork River , eight miles west of Alberton . The bridge is safe to drive on but needs immediate short - term repairs to extend the service life of the bridge until the future project replaces the structure . Frontier West will begin the repair work in October and expect it to be completed in early November . 90 Tarkio Interchange EXIT 61 Superior / Idaho Tarkio Loop Road 90 Map not to scale Old Hwy 10 Traffic will be able to enter the interstate at the westbound Crystal Springs Exit . 190 Bridges EXIT 65 Crystal Springs Eastbound - Westbound 1 90 traffic will need to use the Tarkio Interchange ( Exit 61 ) , return to the interstate traveling eastbound , then exit at the eastbound Crystal Springs Exit . Crystal Springs Westbound EXIT 65 WHAT TO EXPECT DURING Westbound Crystal Springs Exit - The westbound Crystal Springs Exit ( Exit 65 ) will be closed for approximately two months beginning in October . Elizabeth Lane WEST OF ALBERTON Fish Creek Interchange EXIT 66 190 WESTBOUND Clark Fork River Bridge / Alberton Gorge Stay alert . Better roads ahead ! SLOW FOR THE GIVE WORKERS A BRAKE . Alberton / Missoula Clark Fork River PROJECT AREA ( Westbound Lanes Only ) CONSTRUCTION 90 Interstate 90 The westbound bridge will be closed , and traffic will be diverted to the eastbound lanes using crossovers . - Traffic will be reduced to one lane in each direction . -Width and length restrictions will be in place . - Speed limits will be reduced . Sept 2023 ZONE . VISION ZERO Visit the website : mdt.mt.gov/pubinvolve/i90alberton/ TEXT / SMS UPDATES : text ALB90 to 866-434-0866 ( toll - free ) * Sign up for email updates : brandon@rbci.net * Texting alerts are not managed by MDT and may have different privacy and security policies . For more information read the Simple Texting Privacy Policy by visiting : https://simpletexting.com/privacy-policy/ Alternative accessible formats of this document will be provided on request . Persons who need an alternative format should contact the Office of Civil Rights , Montana Department of Transportation , 2701 Prospect Avenue , PO Box 201001 , Helena , MT 59620. Telephone 406-444-5416 or Montana Relay Service at 711 .