June 2025

Final paving and restoration activities planned on 81st Ave S.E. and on North Mercer Way between 81st Ave S.E. and Island Crest Way

as early as July 1

Please follow all detours and signage around the work area

Starting as early as July 1, crews plan to begin paving and restoration activities on 81st Avenue Southeast (just north of North Mercer Way) and on North Mercer Way between 81st Avenue Southeast and Island Crest Way.

Grinding and paving

Crews will first grind the roadway to create a flat surface before paving and striping. Grinding is expected to be completed in one day. As early as July 2, once grinding is complete, crews will begin paving the road in areas where pipe repairs were made. Permanent paving and roadway striping are expected to be completed in one day.

To ensure safety, road closures will be in place during this work on North Mercer Way between 81st Ave S.E. and Island Crest Way.

Detours

Detours will be in place for vehicles, cyclists, and pedestrians to allow safe movement around the work area. Detour routes are located on surrounding local streets. This includes 80th Ave S.E., S.E. 27th St, and Island Crest Way south of I-90 and S.E. 26th St, 84th Ave S.E., and S.E. 24th St north of I-90. See map below for more details.

We understand that these detours are inconvenient. We appreciate your patience as crews work to complete construction as safely as possible. If you have questions about access, please call our construction hotline at 425-305-3578.

Local access

Residential access will be maintained. Mercer Isle Condo residents will be able to access their homes from 81st Ave S.E. and Southeast 24th Street.

The intersection at 81^st Ave S.E. and the section of North Mercer Way between 81st Ave S.E. and Island Crest Way are expected to remain closed during paving. All road closures will end once paving and restoration work is complete. See the map below for more details.

Please travel slowly through the area and follow all signs, traffic control signals, and directions from crews.

Final paving is taking place on 81st Ave S.E. (just north of North Mercer Way) and on North Mercer Way between 81st Ave S.E. and Island Crest Way. During this work, pedestrian, bike, and vehicle detours will be in place around the work area.

What to expect during construction:

• Approved work hours are 7 a.m. to 7 p.m. Monday to Saturday.
  • There is no planned overnight work for permanent repaving in this area.
• All work will be performed in the public right-of-way.
• Noise, dust, and vibrations typical of an active construction project.
  • Grinding will create additional noise and vibrations.
• Emergency vehicle access will be maintained.
• Garbage, recycling, composting, and mail service will be maintained.
  • If services are interrupted, please call the project hotline at 425-305-3578.
• Construction schedules can change based on factors such as site conditions, weather, and material availability. Please visit the project website for updates.

Learn more about this project

• Contact the community services team at 425-305-3578 or email NMEsewer@kingcounty.gov
• Visit the project website: kingcounty.gov/MercerEnataiSewer.
• Alternative Formats Available: 206-477-5371 or TTY Relay: 711  

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