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Monday, July 15, 2013
Kris Olsen, WSDOT communications, 206-440-4704
SR 520 culvert installation time-lapse video
WSDOT thanks drivers who “took five” to reduce congestion
BELLEVUE – During a complete closure of State Route 520 and northbound Interstate 405 this past weekend, contractor crews completed a full slate of activities to make travel safer and smoother for people, freight and fish alike—all in time to reopen both roadways to traffic as scheduled, before 5 a.m. Monday.
The Washington State Department of Transportation thanks all of the area drivers who remained patient and followed advice to “take five”— by taking five minutes to check WSDOT’s online travel resources, or by taking Interstate 5 as an alternate north-south route.
“We know that it’s not always easy to change your weekend plans, especially during the lively summer months,” said WSDOT’s Northwest Regional Administrator Lorena Eng. “We’d like to thank everyone who did their part to help us cut back on congestion this weekend—and the crews who completed this important work on time.”
Many drivers heeded warnings to postpone discretionary trips and to travel outside of the busiest daytime hours. The weekend’s worst congestion occurred Saturday between 2 and 3 p.m. on I-5 and Interstate 90 heading into Seattle. Drivers also experienced slowdowns on northbound I-405 approaching Southeast Eighth Street in Bellevue.
What did crews complete?
During the 55-hour closure, nearly 300 workers packed in a large number of time-consuming activities that are important to maintaining and preserving vital commuter and freight corridors.
On northbound I-405:
- Crews replaced more than 500 concrete panels in the two left lanes between Southeast Eighth and Main streets, the length of a dozen football fields. They also ground bumpy concrete in several sections to smooth the ride.
On SR 520:
- Bridge maintenance crews completed the annual inspection of the floating bridge. Preliminary results may be available within a week.
- Eastside Transit and HOV Project construction crews installed large fish-friendly culvert — the project’s largest and deepest — beneath all lanes of SR 520 east of 108th Avenue Northeast. View a time-lapse video of their work.
The concrete panel replacement on I-405 will continue through summer and into early fall. Overnight weekend lane closures are scheduled this Friday, July 19, and Saturday, July 20, when the three left lanes between Southeast Eighth Street and SR 520 will be closed nightly at 10 p.m. One lane will reopen daily at 6 a.m. with all lanes open by 9 a.m. Another full weekend closure is also scheduled for August. Complete closure information for the panel replacement project is available on the I-405 construction update page.
The next weekend closure of SR 520 is not yet scheduled.
The I-405 work is part of the $8.2 million I-405 Concrete Pavement Rehabilitation project. The SR 520 work is part of regular maintenance of the existing floating bridge and the $306 million SR 520 Eastside Transit and HOV project.
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