The Sammamish River Trail just east of the Interstate 405 and State Route 522 interchange in Bothell will be closed to all foot and bicycle traffic intermittently from July 11 to late September.
King County will begin repairing two sections of bank erosion along the Sammamish River on July 11, requiring brief, rolling closures of the popular Sammamish River Trail until the project is completed in September.
Closures are expected to last no more than 30 minutes and will occur on weekdays only between 9 a.m. to 3 p.m. There will be no detours during the brief closures.
The work is to repair two areas where the levee along the river is eroding, threatening the integrity of the Sammamish River Trail and the safety of its users. The erosion is occurring along the right (or north) bank of the river, east of the Interstate 405/State Route 522 interchange in Bothell. One site is about 500 feet east of the interchange; the second site is 1,200 feet east.
King County is performing this work as service provider to the King County Flood Control District, which is funding the project. The work is expected to conclude by Sept. 27.
Crews will stabilize the bank by reshaping it and planting native woody vegetation along it. The project also entails the installation of woody material along the eastern-most site and realignment of the Sammamish River Trail at both sites.
Residents who would like to receive text updates about the Sammamish River Trail closure or other Sammamish River Trail project information can text “KINGSRT” to “468311.” For updates via email, visit the project webpage, kingcounty.gov/rivers-sammamish, and sign up for email announcements.
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The King County Flood Control District is a special purpose government created to provide funding and policy oversight for flood protection projects and programs in King County. The Flood Control District’s Board is composed of the members of the King County Council. The Water and Land Resources Division of the King County Department of Natural Resources and Parks develops and implements the approved flood protection projects and programs. Information is available at kingcountyfloodcontrol.org.