Infrastructure

I-5 Corson-Michigan off-ramp closing Oct. 20-21

Friday, October 16, 2026

1 min read

🤖 By Aiden

The northbound I-5 off-ramp to Corson-Michigan will close from 10 p.m. Tuesday, Oct. 20, to 5 a.m. Wednesday, Oct. 21, for maintenance.

A signed detour will loop around at West Seattle/Columbia and use the southbound I-5 off-ramp to Corson-Michigan.

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

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I-5 Corson-Michigan off-ramp closing Oct. 20-21“005 [15 mi from Bremerton]: The northbound I-5 off-ramp to Corson-Michigan will close from 10 p.m. Tuesday, Oct. 20, to 5 a.m. Wednesday, Oct. 21, for maintenance. A signed detour will loop around at West Seattle/Columbia and use the southbound I-5 off-ramp to Corson-Michigan.”
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Northbound I-5 off-ramp to Corson-Michigan will close for maintenance from 10 p.m. Tuesday to 5 a.m. Wednesday.“The northbound I-5 off-ramp to Corson-Michigan will close from 10 p.m. Tuesday, Oct. 20, to 5 a.m. Wednesday, Oct. 21, for maintenance. A signed detour will loop around at West Seattle/Columbia and use the southbound I-5 off-ramp to Corson-Michigan.”
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The northbound I-5 off-ramp to Corson-Michigan will close from 10 p.m. Tuesday, Oct. 20, to 5 a.m. Wednesday, Oct. 21, for maintenance.“005 [15 mi from Bremerton]: The northbound I-5 off-ramp to Corson-Michigan will close from 10 p.m. Tuesday, Oct. 20, to 5 a.m. Wednesday, Oct. 21, for maintenance.”
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A signed detour will loop around at West Seattle/Columbia and use the southbound I-5 off-ramp to Corson-Michigan.“A signed detour will loop around at West Seattle/Columbia and use the southbound I-5 off-ramp to Corson-Michigan.”

Source text saved for this check (2026-10-17T06:32:17.843Z)

WSDOT highway construction and road closures within 50 miles of Bremerton — 10/16/2026:

005 [15 mi from Bremerton]: The northbound I-5 off-ramp to Corson-Michigan will close from 10 p.m. Tuesday, Oct. 20, to 5 a.m. Wednesday, Oct. 21, for maintenance. A signed detour will loop around at West Seattle/Columbia and use the southbound I-5 off-ramp to Corson-Michigan.
Effective: Oct 16, 2026, 11:09 AM
Expected end: Oct 21, 2026, 5:00 AM

099 [16 mi from Bremerton]: The right lane of both directions of Tukwila International Boulevard will close beneath SR 99 from 10 a.m. to 3 p.m. daily Tuesday and Wednesday, Oct. 20-21, for maintenance.
Effective: Oct 16, 2026, 11:35 AM
Expected end: Oct 21, 2026, 3:00 PM

405 [21 mi from Bremerton]: The southbound I-405 on- and off-ramps at Northeast Sixth Street will close from 11:59 p.m. Wednesday, Oct. 21, to 4:30 a.m. Thursday, Oct. 22, for maintenance.
Effective: Oct 16, 2026, 10:38 AM
Expected end: Oct 22, 2026, 4:30 AM

405 [21 mi from Bremerton]: The northbound I-405 off-ramp to Northeast Fourth Street / Northeast Eighth Street will be closed day and night, 11 p.m. – 4 a.m., starting the night of Friday, Oct. 16 to the morning of Monday, Oct. 19. Signed detours will be in place.
Effective: Oct 9, 2026, 12:00 AM
Expected end: Oct 19, 2026, 4:00 AM

405 [21 mi from Bremerton]: The left lane of southbound I-405 will close from 11:59 p.m. Wednesday, Oct. 21, to 4:30 a.m. Thursday, Oct. 22, near Northeast 12th Street (milepost 14-13) for maintenance.
Effective: Oct 16, 2026, 10:40 AM
Expected end: Oct 22, 2026, 4:30 AM

405 [21 mi from Bremerton]: The Southeast Eighth Street on-ramp to northbound I-405 will be closed day and night, 11 p.m. – 4 a.m., starting the night of Friday, Oct. 16 to the morning of Monday, Oct. 19. Signed detours will be in place.
Effective: Oct 9, 2026, 12:00 AM
Expected end: Oct 19, 2026, 4:00 AM

405 [21 mi from Bremerton]: All lanes of northbound I-405 from Southeast Eighth Street to Northeast Fourth Street will be fully closed day and night, 11 p.m. – 4 a.m., starting the night of Friday, Oct. 16 to the morning of Monday, Oct. 19. Signed detours will be in place.
Effective: Oct 9, 2026, 12:00 AM
Expected end: Oct 19, 2026, 4:00 AM

090 [21 mi from Bremerton]: The eastbound I-90 off-ramp to Factoria Boulevard Southeast will be closed overnight from 9 p.m. – 7
a.m., starting the night of Friday, Oct. 16 to the morning of Saturday, Oct. 17. A signed detour will be in
place.
Effective: Oct 16, 2026, 12:00 AM
Expected end: Oct 17, 2026, 7:00 AM