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US 97 Blewett Pass will be closed in both directions to ALL traffic from 9 PM Sunday, September 9th to 9 AM on Friday, September 14th to replace 3 culverts under the highway between MP 157.6 and MP 169.0. Two box culverts will be installed about 1.5 miles and 4.5 miles north of the summit. As part of a separate contract, a third box culvert will be  installed near the Swauk Creek campground. The culvert replacements will all be done at the same time to minimize impacts to traffic and recreation. In addition to the full closure,  the two projects may require intermittent weekday single lane closures throughout the month of September.

Click here for a printable flyer with more information

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