The Okanogan Wire
Infrastructure

US 97, SR 20 roadwork scheduled for Sept. 8-10

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WSDOT announced two bridge inspections on US 97 and a water line project on SR 20 that will cause traffic delays this week.

US 97 at milepost 291 near Omak will have one-lane, two-way traffic from 1 p.m. to 3 p.m. on Sept. 8 for a bridge inspection. US 97 at milepost 310 south of Tonasket will have alternating one-lane, two-way traffic from 8 a.m. to 11 a.m. on Sept. 9 for another bridge inspection. On SR 20 near Twisp, work on water lines will cause alternating one-lane traffic from 7 p.m. to 6 a.m. Sept. 8-10.

Drivers should expect flaggers, reduced speed limits, and delays during the specified times. The work is scheduled to end by Sept. 10 at 6 a.m.

📄 Source: WSDOT — Highway Construction & Closures https://wsdot.wa.gov/travel/road-construction
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Every factual claim below was checked against the original public record. Source: original document ↗

  • WSDOT announced two bridge inspections on US 97 and a water line project on SR 20 that will cause traffic delays this week097 [1 mi from Okanogan–Omak]: Travelers on US 97 at milepost 291 near Omak will encounter slowdowns and delays on Sept. 8, from 1 p.m. to 3 p.m. due to a bridge inspection. Expect one-lane, two-way traffic, with flaggers and reduced speed limits.
  • US 97 at milepost 291 near Omak will have one-lane, two-way traffic from 1 p.m. to 3 p.m. on Sept. 8 for a bridge inspectionTravelers on US 97 at milepost 291 near Omak will encounter slowdowns and delays on Sept. 8, from 1 p.m. to 3 p.m. due to a bridge inspection. Expect one-lane, two-way traffic, with flaggers and reduced speed limits.
  • US 97 at milepost 310 south of Tonasket will have alternating one-lane, two-way traffic from 8 a.m. to 11 a.m. on Sept. 9 for another bridge inspectionTravelers on US 97 at milepost 310 south of Tonasket will encounter slowdowns and delays on Sept. 9 from 8 a.m. to 11 a.m. due to a bridge inspection. Expect alternating one-lane, two-way traffic, with flaggers and reduced speed limits.
  • On SR 20 near Twisp, work on water lines will cause alternating one-lane traffic from 7 p.m. to 6 a.m. Sept. 8-10Travelers on SR 20 near Twisp will encounter slowdowns and delays at milepost 202 while developer associated with the Town of Twisp will work on the water lines. Expect alternating, one-lane, two-way traffic, flaggers and reduced speed limits. Work will occur from Sept. 8-10, from 7 p.m. to 6 a.m.
  • Drivers should expect flaggers, reduced speed limits, and delays during the specified timesExpect one-lane, two-way traffic, with flaggers and reduced speed limits.
  • The work is scheduled to end by Sept. 10 at 6 a.mExpected end: Sep 10, 2026, 6:00 AM

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