Infrastructure

US 12 Bridge Repairs and Lane Closures Begin

Tuesday, August 18, 2026

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US 12 over I-5 will close one lane nightly from August 10 to August 20 for bridge repairs, according to WSDOT. Travelers will follow a detour using northbound I-5 to Exit 71 for SR 508, then southbound back to US 12.

Paving work will also close lanes on I-5 southbound between Barnes Drive and Exit 49 from August 16 to 18, and on I-405 southbound from August 17 to 19. All closures are overnight and include specific detour routes.

WSDOT urges drivers to slow down, move over, and expect delays. The agency states the work is scheduled to end by the specified dates.

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

Source receipts12 of 17 claims supported · 71%

Legacy automated check: the original source text was not preserved. These earlier verdicts have not passed the current publication checks and may contain errors. Source: original document ↗

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US 12 over I-5 will close one lane nightly“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 US 12 over I-5 will start on August 10“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 US 12 over I-5 will end on August 20No usable supporting receipt — unverified.
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Travelers will follow a detour using 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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Travelers will follow a detour using southbound I-5 back to US 12“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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Paving work will close lanes on I-5 southbound between Barnes Drive and Exit 49“005: From 7 p.m., Sunday, Aug. 16 to 5 a.m., Tuesday, Aug. 18: Up to two lanes of southbound I-5 will close nightly between Barnes Drive (milepost 52.6) and Exit 49/SR 504 (milepost 50) for paving work.”
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The closure of I-5 southbound between Barnes Drive and Exit 49 will start on August 16“005: From 7 p.m., Sunday, Aug. 16 to 5 a.m., Tuesday, Aug. 18: Up to two lanes of southbound I-5 will close nightly between Barnes Drive (milepost 52.6) and Exit 49/SR 504 (milepost 50) for paving work.”
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The closure of I-5 southbound between Barnes Drive and Exit 49 will end on August 18“005: From 7 p.m., Sunday, Aug. 16 to 5 a.m., Tuesday, Aug. 18: Up to two lanes of southbound I-5 will close nightly between Barnes Drive (milepost 52.6) and Exit 49/SR 504 (milepost 50) for paving work.”
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Paving work will close lanes on I-405 southbound“405: Up to three lanes of southbound I-405 from Coal Creek Parkway Southeast (milepost 9.5) to milepost 7 will be closed nightly, 10:30 p.m. Monday, Aug. 17 – 5:30 a.m. Wednesday, Aug. 19.”
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The closure of I-405 southbound will start on August 17“405: Up to three lanes of southbound I-405 from Coal Creek Parkway Southeast (milepost 9.5) to milepost 7 will be closed nightly, 10:30 p.m. Monday, Aug. 17 – 5:30 a.m. Wednesday, Aug. 19.”
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The closure of I-405 southbound will end on August 19No usable supporting receipt — unverified.
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All closures are overnightNo usable supporting receipt — unverified.
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The closures include specific detour routes“Travelers who need to cross the freeway will follow a signed detour. 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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WSDOT urges drivers to slow downNo usable supporting receipt — unverified.
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WSDOT urges drivers to move overNo usable supporting receipt — unverified.
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WSDOT urges drivers to expect delays“Travelers should slow down, move over and expect delays through the work zone.”
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The agency states the work is scheduled to end by the specified dates“Effective: Aug 10, 2026, 3:26 PM Expected end: Sep 30, 2026, 6:00 PM 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.”