The contractor working for the Seattle Department of Transportation (SDOT) to widen the Spokane Street Viaduct will close East Marginal Way at South Spokane Street for three nights next week. Crews will demolish the overhang along the upper roadway to prepare for Harbor Island off-ramp construction. The closures begin each night at 10 p.m. from January 24 through January 26 and end by 5 a.m. the following morning.
During this work, southbound East Marginal Way traffic will be allowed to head west at South Spokane Street to West Seattle, as well as make a U-turn under the viaduct to continue southbound on East Marginal Way. Northbound East Marginal Way traffic will be required to head east on South Spokane Street, detouring north on First Avenue South to South Hanford Street. A uniformed police officer will be positioned at First Avenue South to allow left turns.
Meanwhile, as crews do other Harbor Island off-ramp construction preparation work, the following closures, previously announced, remain in place from 10 p.m. each day until 5 a.m. the next morning:
- Jan. 20, 21 & 24 – 26: Upper Spokane Street (West Seattle Bridge) just west of I-5
- Jan. 20, 21: Southbound off-ramp from SR 99 to Harbor Island (southbound off-ramp from SR 99 to West Seattle remains open)
During this work, southbound I-5 traffic will be directed to the Forest Street exit to access surface streets. Northbound I-5 traffic and westbound traffic from Columbian Way will be detoured to surface streets at 6th Avenue South.
Also beginning today, all Fourth Avenue South traffic, at the intersection with South Spokane Street, will be directed onto the eastern half of the roadway. This is so crews can now work on the western half of Fourth Avenue South at that point. The work is expected to wrap up in March, after which all lanes will be open for use.
For more information: Leanne Nelson, (206) 684-3897
Media contact: Marybeth Turner, (206) 684-8548