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City of Seattle
Ed Murray, Mayor
NEWS ADVISORY

SUBJECT: Expect Ramp and Lane Closures for Spokane Street Viaduct Work

FOR IMMEDIATE RELEASE:
1/6/2010  11:45:00 AM
FOR MORE INFORMATION CONTACT:
Sue Romero  (206) 684-8548


Expect Ramp and Lane Closures for Spokane Street Viaduct Work
Existing westbound off-ramp to Fourth Avenue S to close permanently

SEATTLE – The Seattle Department of Transportation (SDOT) is beginning the next phase of widening the South Spokane Street Viaduct—the 60 year old elevated roadway that connects I-5 to the West Seattle Bridge. Drivers should expect the following closures:

January 22

Fourth Avenue South Off-ramp:  Crews will permanently close the Fourth Avenue South off-ramp from the westbound South Spokane Street Viaduct (upper roadway).Drivers that now use the ramp can still access the SODO area as follows:

  • From southbound I-5, exit at South Forest Street (before the West Seattle Bridge exit). Turn right on 6th Avenue South. Turn left on South Lander to access 4th Avenue South.
  • From northbound I-5, take exit 163 for the West Seattle Bridge. At the fork, stay right to exit toward Spokane Street/Safeco Field/Qwest Field. Merge onto lower South Spokane Street. Continue until 6th Avenue South and then follow the detour signs to 4th Avenue South.
  • From South Columbian Way, head towards I-5. Follow signs for the West Seattle Bridge. Follow the signs for South Spokane Street/6th Avenue South then follow the detour signs to 4th Avenue South.
  • Heading westbound on the West Seattle Bridge, take the Harbor Island exit. Follow the “U-turn route” sign. Continue to East Marginal Way.

Westbound South Spokane Street (lower roadway):  Starting January 22, crews will close the westbound lane of South Spokane Street between Sixth Avenue South and Fourth Avenue South. This closure is a few months earlier than planned to accommodate essential utility relocations. On February 1 crews will extend the closure to East Marginal Way and the roadway will remain closed until the project is complete in 2012. The contractor will maintain local access to businesses and all businesses on South Spokane Street will remain open during construction.

January 22 through January 23

I-5 Off-ramp to the West Seattle Bridge:  Crews will close the southbound I-5 off-ramp to the West Seattle Bridge each night from 10 p.m. to 5 a.m. to install barriers (last closure to end morning of January 24). Drivers headed from southbound I-5 to West Seattle may take the following detour:

  • Exit southbound I-5 at South Forest Street (before the exit to the West Seattle Bridge). Turn right on Sixth Avenue South. Turn left on South Lander. Turn left at First Avenue South. Turn right at Spokane Street to access the on-ramp to the West Seattle Bridge.

January 22, 2010 to May 2012

Periodic Closures:  Drivers should expect periodic lane closures while crews complete construction work, to include:

  • Nighttime closures of the ramp from southbound I-5 to the westbound South Spokane Street Viaduct.
  • Occasional nighttime lane closures in each direction of the South Spokane Street Viaduct. At least one lane will remain open in each direction at all times.
  • Lane closures of East Marginal Way South, First Avenue South, Fourth Avenue South, Fifth Avenue South and Sixth Avenue South near South Spokane Street when needed.

May 2010

South Spokane Street Viaduct On-ramp to the West Seattle Bridge:  Crews will permanently close the westbound South Spokane Street Viaduct on-ramp to the West Seattle Bridge near First Avenue South.  Drivers should access the West Seattle Bridge via SR 99 and/or I-5 until the new on- and off-ramps at First Avenue South are completed and open for use in late 2011.

This work is part of the South Spokane Street Viaduct Widening project. When complete, the project will nearly double the width of the elevated roadway. Seattle commuters and the freight community will enjoy improved access between I-5, SODO (the area south of downtown) and West Seattle, and significantly improved traffic flow and safety on this key east-west route. The $168 million viaduct effort, SDOT’s largest project currently in construction, is expected to be complete by 2012.



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