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Trail closed for three months after Labor Day.
On September 8, King County will close a portion of the Cross Kirkland Corridor (CKC) trail between Northeast 52nd Street and 108th Avenue Northeast to repair a culvert. The damaged culvert runs under the County’s Eastside Interceptor Section 14 (ESI 14) sewer pipe.
King County will also build a retaining wall to support the slope at the culvert site and stabilize the stream nearby. Repair work will last three months. This work will help protect the pipe from potential damage in the future.
During construction, a detour route will be available for trail users. Please follow the detour signs and stay out of the work area.
You can expect:
- Full trail closure for three months, starting September 8.
- A trail detour.
- Reliable sewer service in your neighborhood.
- Work on weekdays from 7 am to 8 pm.
- Sound from heavy construction equipment sounds during permitted hours.
- Connecting an above-ground diversion pipe to maintain service.
- 24-hour lights and pumping for temporary diversion pipe to maintain service.
- Sound from a generator powering the pumps.
- Odors at diversion sites.
ESI 14 sewer pipe is a 7-foot diameter pipe owned by King County. The pipe carries about 2.6 million gallons of wastewater a day during dry weather to the County’s South Treatment Plant in Renton. In July 2025, King County and City of Kirkland crews found a leak from the County’s ESI 14 sewer pipe that was entering the culvert. King County coordinated with Public Health – Seattle & King County, and no public health risk was identified.
Crews completed repairs to the ESI 14 sewer pipe in February. Work to build a new retaining wall and repair the culvert will finish by this fall. Crews will remove the diversion pipe and restore the site after the repairs are complete.
The Eastside Interceptor is one of the largest conveyance pipes in our regional sewer system. It collects and carries untreated wastewater from local municipal sewer systems between Kirkland and Renton and sends it to South Treatment Plant, where it is cleaned and released into Puget Sound.
To stay informed about the project, please visit the Eastside Interceptor Section 14 joint rehabilitation project webpage.
If you have any questions, please reach out to Emanuel da Silva (mano) by calling 206-296-7432 or emailing mdasilva@kingcounty.gov. We offer interpretation services at no cost.
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