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Significant night lane closures ahead for I-5 in Tacoma

Beginning the week of April 20, continued demolition of the Pacific Avenue overpass in Tacoma will require night closures of the northbound Interstate 5 collector/distributor lanes. Later in the week, four-hour night closures are scheduled for all northbound lanes on mainline I-5 in Tacoma. Drivers will follow signed detours. 

In addition, triple-lane closures are scheduled for southbound I-5 in Fife over two nights. 

Highlights of the closures are listed below. A full list of closures can be found on the Washington State Department of Transportation’s Olympic Region Construction Update Report

Monday and Tuesday, April 20-21 
At 10 p.m., crews will close the northbound I-5 collector/distributor lanes. The lanes will reopen at 4 a.m. each following morning. 
At 10:30 p.m., drivers will find triple-lane closures on southbound I-5 near Port of Tacoma Road. The lanes will reopen at 4 a.m. each following day. 

12:01 a.m. to 4 a.m. Thursday, April 23 
All lanes of northbound I-5 will be routed through the northbound I-5 collector/distributor lanes. Drivers will detour via either State Route 7 or Interstate 705. 

12:01 a.m. to 4 a.m. Friday, April 24 
All lanes of northbound I-5 will be routed through the northbound I-5 collector/distributor lanes. Drivers will detour via either SR 7 or I-705. 

1 a.m. to 5 a.m. Saturday, April 25 
All lanes of northbound I-5 will be routed through the northbound I-5 collector/distributor lanes. Drivers will detour via either SR 7 or I-705. 

Extended closure of Pacific Avenue overpass in Tacoma underway

The Pacific Avenue overpass at Interstate 5 in Tacoma is closed around the clock, through March 2016. Depending on the weather, the overpass could be closed longer. During the closure, the over pass will be demolished and rebuilt as part of WSDOT's I-5 - M Street to Portland Avenue - HOV project. All Pacific Avenue traffic has been detoured. If all goes according to schedule, in March 2016 the Pacific Avenue overpass will reopen to two lanes - one lane of traffic in each direction. Two months later in May, 2016, all lanes will reopen over the new Pacific Avenue overpass.  

Work on the Pacific Avenue overpass will also affect traffic on I-5 (see below). Demolition cannot take place over active traffic lanes, therefore much of the demo will occur at night when traffic volumes are lower and crews can close the appropriate ramps and lanes necessary to ensure motorist safety.

Once crews have removed the Pacific Avenue bridge approaches on the northbound side of I-5, they will remove the center spans of the overpass, and finish demolition work on the southbound side of I-5. During this work, in addition to ramp closures, drivers should expect nightly multi-lane closures and rolling slowdowns on I-5.

Around the clock ramp closures

  • The northbound SR 7 on-ramp to southbound I-5 remains closed until spring 2015 for bridge construction.
  • The A-Street on-ramp to northbound I-5/southbound SR 7 remains closed until spring 2017 for bridge construction.

Around the clock road closures

Long-term closure of 20th Street East in Fife in place through 2017. 

A segment of 20th Street East in Fife is closed. The road closure and detour (see below) will be in place, until spring 2017. 

The road closure is needed while crews build a new northbound Interstate 5 bridge over the Puyallup River. The bridge, which will be built adjacent to the existing northbound I-5 bridge, will be wider and straighter than the existing bridge, and will feature a new northbound high-occupancy vehicle (HOV) lane. Other improvements will also be made on I-5 between Portland Avenue in Tacoma and the Port of Tacoma Road in Fife. 


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