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April 11, 2025

The Montana Department of Transportation (MDT) and CK May Excavating are rehabilitating approximately 11 miles of Interstate 90 (I-90) on Bozeman Pass in Gallatin and Park counties starting the week of April 14.

The project is located between the Jackson Creek Road Interchange (Exit 319) and the I-90 Business Loop Interchange (Exit 330) west of Livingston.

What to expect during construction:

Temporary ramp closures are anticipated at Exit 319 (Jackson Creek Road) and Exit 324 (Flynn Creek Road) the week of April 14, weather and other factors permitting. Motorists will need to use an alternate route during ramp closures.

When construction begins, motorists can expect:

  • Flaggers directing traffic at times
  • I-90 traffic reduced to one lane in each direction
  • Reduced speed limits
  • Exit 319 (Jackson Creek Road)
    • Eastbound on-ramp and westbound off-ramp will be closed April 18.
  • Exit 324 (Flynn Creek Road)
    • Eastbound on- and off-ramps wl 14 and l 14 and l 14 and l 14 and l 14 and ill be closed April 14 and 15.
    • Westbound on- and off-ramps will be closed April 15 through 17.
  • Width restrictions throughout the project area.

Visit 511mt.net for the most up to date information.