press release
The westbound lanes of the Spokane Street Viaduct will be closed the weekend after the July 4th holiday. Specifically, all westbound lanes between I-5 and SR 99 will be closed continuously from 10 p.m. on Friday, July 6, until 5 a.m. on Monday, July 9. The SR 99 off-ramp to West Seattle will remain open, providing an opportunity to avoid the closure. (A link to other detours is provided below.)

Calendar of Other Upcoming Project Traffic Impacts:

Monday, July 2

· The westbound lanes of the Spokane Street Viaduct between I-5 and SR 99 will be closed overnight from July 2, 10 p.m. until 5 a.m. on Tuesday morning, July 3. The SR 99 off-ramp to West Seattle will remain open, providing an opportunity to avoid the closure. The links below lead to information regarding other detour options.

Map routes to West Seattle from north during the closure
Map routes to West Seattle from south during the closure

Thursday, July 5

· The right most eastbound travel lane of the Spokane Street Viaduct will be closed overnight from 10 p.m. until 5 a.m. on Friday, July 6.

Friday, July 6 – Sunday, July 8

· The westbound lanes of the Spokane Street Viaduct will be closed all weekend, beginning Friday evening, July 6, at 10 p.m. until Monday morning, July 9, at 5 a.m. The SR 99 off-ramp to West Seattle will remain open, providing an opportunity to avoid the closure. The links below lead to information regarding other detour routes.

Map routes to West Seattle from north during the closure
Map routes to West Seattle from south during the closure