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SR 518 - Concrete Pavement Rehabilitation - Complete September 2013

Project Status - Complete
map of project area on SR 518 in SeaTac
View area map

A photo of concrete panel replacement on SR 518 near Sea-Tac Airport. 185 JPEG
View more photos of the work on Flickr.

WSDOT improved nearly a mile of SR 518 pavement between I-5 and Sea-Tac Airport by pouring more than 50 new concrete panels and using a diamond grinder to smooth out bumps and ruts on other areas of the highway. As part of the same contract, construction crews also improved the pavement on northbound I-405 in Bellevue.

How You Benefit
Cross GlyphImproves Safety
The concrete panels on SR 518 are more than 40 years old. Years of heavy use resulted in severe cracks, ruts and bumps. Replacing the most severely damaged panels and grinding the others creates a smoother ride with better traction. New lane striping also provides better visibility for drivers.
Dollar Sign Glyph Economic Incentive
The work preserves important infrastructure and extends the life of the highway. It also reduces the need for costly emergency repairs and frees up maintenance crews for other work.

Partnerships & Cooperation
WSDOT worked closely with the City of Sea-Tac and the airport to coordinate the highway construction schedule with work planned for city streets and airport roads.


Contact Us
Mary Ann Reddell
WSDOT Project Engineer
Phone: 425-225-8725

Kris Olsen
WSDOT communications
Phone: 206-440-4704

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