Southwest Region Construction

Last updated: 10:57 a.m., Friday, Dec. 4, 2020

Note: WSDOT makes it easy to help you "Know before you go." Download the WSDOT mobile app. While on the road travelers can tune into the Highway Advisory Radio at 530 am and 1610 am, or dial 5-1-1 from their hands-free device for current weather and travel conditions.

Please call 911 to report all road hazards. 

Clark County

SR 99 Pavement Improvements
SR 99 Region: Southwest County: Clark Location: 32.60 - 36.70
Contact: Magan Reed, Clark County Public Works, 360-397-4398
Description: A contractor working for Clark County is performing construction activities as a part of the SR 99 Pavement Improvements project.  Paving will take place from Northeast 78th Street to Northeast 134th Street.  Drivers should expect both daytime and nighttime work activities causing delays through the work zones.
Work schedule:

  • Beginning Saturday, Dec. 5 through Sunday, Dec. 13: Drivers can anticipate daytime single-lane closures between Northeast 78th Street and Northeast 134th Street, daily from 7 a.m. to 7 p.m., for work to complete the replacement of center medians, signing operations, striping and remaining traffic signal work. 
  • ​Note: A detour will be in place to direct traffic around the lane closure. This work is weather dependent and could be delayed or rescheduled.  

Cowlitz County

SR 4 Oak Point Vicinity - Rockfall Prevention Project 
Highway: SR 4 Region: Southwest County: Cowlitz Location: Mileposts: 46.98 - 47.65
Contact: Joanna Lowrey, WSDOT, 360-442-1346
Description: Contractor crews will begin work on SR 4 near the Oak Point and Cowlitz - Wahkiakum county line to repair the slope adjacent to the highway and onto the roadway below. Crews will repair the existing rockfall fence and remove rocks and trees from the hillside.
Work schedule: 

  • Beginning Tuesday, Nov. 17 until further notice: Travelers on both directions of SR 4 near the Cowlitz and Wahkiakum County line (milepost 46.98 to 47.65) may encounter daytime single lane closures from  8:00 a.m. to 4:30 p.m. until the work is complete in spring 2021,
  • Note: During rock scaling work, travelers can expect intermittent delays of up to 20 minutes. This is a safety precaution to prevent rocks and trees from falling onto travelers below.


Klickitat County

US 97 Satus Creek Bridge - Bridge Replacement
Highway: US 97 Region: Southwest County: Klickitat Location: Mileposts 30.72 - 30.96
Contact: Mike Briggs, WSDOT, 360-905-1304 
Description: Contractor crews working for WSDOT will install construction signage and radar speed signs with shoulder closures and delays.
Work schedule: 

  • Beginning Monday, Nov. 2 through Friday, Dec. 4: Travelers on both directions of US 97, between Indian Service Road and Wilson Charley Road, will encounter intermittent single lane closures with flaggers, daily from 7 a.m. to 5 p.m. for construction of the new bridge.
  • Note: Travelers should expect delays of up to 20 minutes, for additional intermittent, daytime single-lane closures, as needed for construction of the temporary bypass bridge.
  • Note: The speed limit through the work zone has been temporarily reduced from 65 mph to 40 mph. This speed limit reduction will remain in place throughout construction. 

Lewis County

SR 6 - Two Tributaries to Chehalis River - Fish Passage 
SR 6 Region: Southwest County: Lewis Location: Mileposts: 46.32 - 46.59
Contact: Colin Newell, WSDOT, 360-740-8600
Description: Contractor crews working for WSDOT will remove and replace two aging and failing culverts with a bridge that meets safety standards and allows fish passage. 
Work schedule: 

  • Beginning Oct. 5 through Sept. 13, 2021: Travelers in both directions of SR 6, near Twin Oaks Road can expect traffic switched to a 2-lane 25 mph detour bypassing the closure.  Work includes excavation for bridge piers, bridge construction and culvert removal/installation.  
  • Note: The speed limit through the area has been temporarily reduced to 25 mph through the work zone and will remain in place until construction is complete. 

I-5 - Cowlitz River Bridge - Painting
Highway: I-5 Region: Southwest County: Lewis Location: Mileposts: 58.39 - 58.98
Contact: Joanna Lowrey, WSDOT, 360-442-1350 
Description: Contractor crews working for WSDOT will repaint the Cowlitz River bridge span, in Lewis County. 
Work schedule: 

No scheduled traffic impacts. 

Pacific County

SR 401 Hungry Harbor Restoration Project
SR 401 Region: Southwest County: Pacific Location: Mileposts: 2.04 - 2.08
Contact: Dan Doumit, WSDOT, 360-442-1347
Description:  Contractor crews working for WSDOT will work to replace a fish passage barrier underneath SR 401 and provide for the enhancement of the habitat connection upstream of the culvert which will restore tidal processes and natural hydraulic flows within the Hungry Harbor Creek basin.
Work schedule: 

  • No scheduled impacts 

Skamania County

SR 14 - 0.8 to 1.1 Miles West of Wind River Rd. - Slope Stabilization
Highway: SR 14 Region: Southwest County: Skamania Location: Mileposts: 47.0 - 48.0
Contact: Mike Briggs, WSDOT, 360-759-1302
Description: Contractor crews working for WSDOT will be performing slope stabilization work along SR 14 near Wind River Road. 
Work schedule: 

  • Beginning Monday, Nov. 30 through Friday, Dec. 11 : Travelers on both directions of SR 14 near Carson should expect alternating single lane closures with flaggers, daily, from 8 a.m. to 6 p.m., for slope stabilization work. 
  • Note: Travelers should slow down through the work zone and expect delays of up to 20 minutes during slope stabilization work. 

SR 14 - Wind River Road - Intersection Improvements 
SR 14 Region: Southwest County: Skamania Location: Mileposts 49.0
Contact: Mike Briggs, WSDOT, 360-759-1302
Description: Contactor Crews working for WSDOT will be paving sections of the roadway between the intersection of Wind River Road and SR 14. Crews will also be installing drainage features within the roundabout. 
Work schedule: 

No scheduled traffic impacts.  

  • ​​Note: Travelers should use caution and reduce speeds through the works zone, and expect delays of up to 20 minutes.

Wahkiakum County

    Wahkiakum County Ferry - Puget Island, WA
    SR 409 Region: Southwest County: Wahkiakum Location: Puget Island
    Contact: Wahkiakum County Public Works, 360-795-7867

    Ferry Schedule:

    • The ferry departs every day from Puget Island, WA on the hour, every hour, daily, from 5 a.m. and 10 p.m.
    • The ferry departs every day from Westport, OR, at 15-minutes past the hour, every hour, daily, from 5:15 a.m. to 10:15 p.m. For more information, please call 360-795-7867.

    Information for bordering states can be found at the Bordering Travel Information page.

    Safety Tips for Driving Through Work Zones

    • Pay attention - driver inattention is the number one cause of work zone accidents.
    • Leave room between you and the car ahead of you - most work zone accidents involve someone running into the car ahead of them.
    • Drive defensively - be aware of what is happening around you.
    • Merge into the proper lane before you reach the work zone.
    • Don't use cell phones or adjust your radio while driving.
    • Avoid work zones by using alternate routes.