Infrastructure

SR 20, US 101 Hoh River Bridge closures start this week

Friday, September 18, 2026

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State Route 20 will see nightly traffic alternating with flaggers from Monroe Landing Road to Eagle Vista Drive (milepost 30) starting Sept. 18, 2026, from 9 p.m. to 5 a.m. until further notice, per WSDOT.

US 101 will close nightly from 10:30 p.m. to 5:30 a.m. through Sept. 22, 2026, for emergency repairs on the Hoh River Bridge, with work continuing until July 14, 2027. A third SR 20 section from Swin Slough Bridge (milepost 50) to Laconner Whitney Road will close daily until Oct. 2, 2026, for Anacortes city utilities work.

Travelers should plan for delays during these closures, which affect key routes on the Olympic Peninsula.

📄 Source: WSDOT — Highway Construction & Closures — https://wsdot.wa.gov/travel/road-construction

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State Route 20 will see nightly traffic alternating with flaggers from Monroe Landing Road to Eagle Vista Drive (milepost 30)“020 [36 mi from Olympic Peninsula]: Nightly (except Friday, Saturday) from 9 p.m. to 5 a.m. the next day until further notice: State Route 20 traffic will alternate with flaggers from Monroe Landing Road to Eagle Vista Drive (milepost 30) for utilities work.”
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The traffic alternation on State Route 20 will start on Sept. 18, 2026“020 [36 mi from Olympic Peninsula]: Nightly (except Friday, Saturday) from 9 p.m. to 5 a.m. the next day until further notice: State Route 20 traffic will alternate with flaggers from Monroe Landing Road to Eagle Vista Drive (milepost 30) for utilities work. Effective: Sep 18, 2026, 9:59 AM”
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The traffic alternation on State Route 20 will occur from 9 p.m. to 5 a.m.“Nightly (except Friday, Saturday) from 9 p.m. to 5 a.m. the next day until further notice: State Route 20 traffic will alternate with flaggers from Monroe Landing Road to Eagle Vista Drive (milepost 30) for utilities work.”
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The traffic alternation on State Route 20 will continue until further noticeNo usable supporting receipt — unverified.
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US 101 will close nightly from 10:30 p.m. to 5:30 a.m.“Travelers will need to prepare for overnight and around-the-clock closures at the US 101 Hoh River Bridge. From Tuesday, Sept. 15 to Tuesday, Sept. 22, each night from 10:30 p.m. to 5:30 a.m., the US 101 Hoh River Bridge will close to all traffic for <a href="https://wsdot.wa.gov/construction-planning/search-projects/us-101-hoh-river-bridge-emergency-repair">emergency repairs</a>.”
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The closure of US 101 will be through Sept. 22, 2026“From Tuesday, Sept. 15 to Tuesday, Sept. 22, each night from 10:30 p.m. to 5:30 a.m., the US 101 Hoh River Bridge will close to all traffic for <a href="https://wsdot.wa.gov/construction-planning/search-projects/us-101-hoh-river-bridge-emergency-repair">emergency repairs</a>.”
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The closure of US 101 is for emergency repairs on the Hoh River Bridge“Travelers will need to prepare for overnight and around-the-clock closures at the US 101 Hoh River Bridge. From Tuesday, Sept. 15 to Tuesday, Sept. 22, each night from 10:30 p.m. to 5:30 a.m., the US 101 Hoh River Bridge will close to all traffic for <a href="https://wsdot.wa.gov/construction-planning/search-projects/us-101-hoh-river-bridge-emergency-repair">emergency repairs</a>.”
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Work on the Hoh River Bridge will continue until July 14, 2027“Expected end: Jul 14, 2027, 2:45 PM”
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A third SR 20 section from Swin Slough Bridge (milepost 50) to Laconner Whitney Road will close daily“020 [48 mi from Olympic Peninsula]: Daily (except Saturday, Sunday) beginning Aug. 21 until 6 p.m. Friday, Oct. 2: State Route 20 traffic will alternate with flaggers from the Swin Slough Bridge (milepost 50) to Laconner Whitney Road/Bay View Road (milepost 53) for city Anacortes utilities work.”
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The closure of the third SR 20 section will last until Oct. 2, 2026“Daily (except Saturday, Sunday) beginning Aug. 21 until 6 p.m. Friday, Oct. 2: State Route 20 traffic will alternate with flaggers from the Swin Slough Bridge (milepost 50) to Laconner Whitney Road/Bay View Road (milepost 53) for city Anacortes utilities work.”
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The closure of the third SR 20 section is for Anacortes city utilities work“020 [48 mi from Olympic Peninsula]: Daily (except Saturday, Sunday) beginning Aug. 21 until 6 p.m. Friday, Oct. 2: State Route 20 traffic will alternate with flaggers from the Swin Slough Bridge (milepost 50) to Laconner Whitney Road/Bay View Road (milepost 53) for city Anacortes utilities work.”