SR 7 - North of Alder Rock Scaling

Project news

  • Starting July 22, SR 7 will close each day from 6 a.m. to 9 p.m. Monday through Thursday between mileposts 23 and 25
  • Drivers will follow a 10-mile detour that adds approximatly 10 minutes of travel time through Eatonville using SR 161 and Alder Cutoff Road East. Local access will be provided on SR 7 up to the work zone. 
  • SR 7 will re-open at night.
  • On Fridays, travelers using SR 7 may see alternating one-way traffic from 6 a.m. to noon. No work is allowed from noon Friday to 6 a.m. Monday.
  • For the safety of the crews and the traveling public, this work must be done during daylight hours.
  • Important note: On Thursday, July 25, the contractor will not begin the full closure of SR 7 until 10 a.m. This is an effort to accommodate riders participating in RAMROD 2019 who use SR 161 and the Alder Cutoff Road.

Needs & benefits

Improves Safety

This project will stabilize the hillside by removing trees and debris from entering SR 7 and causing highway closures. 


  • Contract advertised for competitive bidding: April 2019
  • Contract awarded to Boettcher & Sons Inc. on June 3, 2019
  • Under construction: Mid-July 2019
  • Estimated completion: Fall 2019


  • Project engineering - $387,177
  • Right of way - $32,939
  • Construction cost - $896,990
  • Total - $1,317,106


Cara Mitchell
WSDOT Communications

Karen Boone
WSDOT Project Engineer

Location of slope stabilization project on SR 7 north of Alder Lake