SR 7 - North of Alder Rock Scaling

Project news

  • As of 6 a.m. Wednesday, Aug. 28, the detour will no longer be in place as the contractor has completed the work. WSDOT would like to thank travelers for their patience while crews performed this important safety work.
  • 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 approximately 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.
  • View project photos on the WSDOT Flickr account.
  • 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