Infrastructure

WSDOT work to close lanes nightly in Walla Walla

Wednesday, August 19, 2026

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WSDOT will close multiple lanes on Walla Walla area highways nightly through August 21 for construction and repairs.

The closures include one general-purpose lane of eastbound SR 522 from Campus Way Northeast to 131st Avenue Northeast, scheduled nightly from 8 p.m. August 18 to 4:30 a.m. August 21. A single lane of US 12 over I-5 will close nightly from 7:30 p.m. August 10 to 6 a.m. August 20 for bridge repairs, with a detour using northbound I-5 to Exit 71 for SR 508.

Additional closures include the left express toll lane of northbound I-405 between Northeast 160th Street and SR 527, and up to two lanes of southbound I-405 from Coal Creek Parkway Southeast to milepost 8. 63, both scheduled nightly through August 21. Travelers should expect delays and follow detour signs.

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

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WSDOT will close multiple lanes on Walla Walla area highways nightly through August 21 for construction and repairs.No usable supporting receipt — unverified.
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One general-purpose lane of eastbound SR 522 from Campus Way Northeast to 131st Avenue Northeast will be closed nightly.“405: One general-purpose lane of eastbound SR 522 from Campus Way Northeast (milepost 10.4) to 131st Avenue Northeast (milepost 11.4) will be closed nightly from 8 p.m. Tuesday, August 18 to 4:30 a.m. Friday, August 21.”
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The closure of one general-purpose lane of eastbound SR 522 from Campus Way Northeast to 131st Avenue Northeast is scheduled from 8 p.m. August 18 to 4:30 a.m. August 21.“405: One general-purpose lane of eastbound SR 522 from Campus Way Northeast (milepost 10.4) to 131st Avenue Northeast (milepost 11.4) will be closed nightly from 8 p.m. Tuesday, August 18 to 4:30 a.m. Friday, August 21.”
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A single lane of US 12 over I-5 will close nightly from 7:30 p.m. August 10 to 6 a.m. August 20 for bridge repairs.“012: From 7:30 p.m. Monday, Aug. 10 to 6 a.m. Thursday, Aug. 20: A single lane of US 12 over I-5 (milepost 66.5) will close nightly for bridge repairs.”
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The closure of a single lane of US 12 over I-5 will use a detour via northbound I-5 to Exit 71 for SR 508.“Flaggers will direct travelers to a signed detour using northbound I-5 to Exit 71 for SR 508, then southbound back to US 12.”
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The left express toll lane of northbound I-405 between Northeast 160th Street and SR 527 will be closed nightly through August 21.“405: The left express toll lane of northbound I-405 between Northeast 160th Street (milepost 22.61) and SR 527 (milepost 27.1) will be closed nightly from 8:30 p.m. Monday, August 17 to 5 a.m. Friday, August 21.”
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Up to two lanes of southbound I-405 from Coal Creek Parkway Southeast to milepost 8.63 will be closed nightly through August 21.“405: Up to two lanes of southbound I-405 from Coal Creek Parkway Southeast (milepost 9.5) to milepost 8.63 will be closed nightly, 10:30 p.m. Wednesday, Aug. 19 – 5 a.m. Friday, Aug. 21.”
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Travelers should expect delays due to the closures.“Slow down, stay focused and expect delays.”
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Travelers should follow detour signs due to the closures.“Travelers who need to cross the freeway will follow a signed detour.”