SR 305 - Agate Pass Bridge - Bridge Painting

Project News

Needs & Benefits

Steel truss bridges need to be regularly cleaned and painted to preserve their integrity and keep them in good working condition. The old paint is bubbled, corroded and peeling in places. Areas of rust are also visible. Once repainted, the bridge will be protected from weathering and deterioration, extending its useful lifespan. If the bridge was not repainted, the steel would eventually deteriorate from rust.

How will the work be done? 

WSDOT will work to keep people moving and minimize delays whenever possible. During work activities, drivers will notice a reduced speed limit. The bridge will be reduced to one-way alternating traffic at times during off-peak hours. One sidewalk will remain open. 

Due to the bridge’s size, work will be performed in sections. 

  • Install a containment system to help protect the environment.
  • Construct a platform within the containment system to provide a work area for crews.
  • Sandblast away the paint until crews reach bare metal.
  • Apply new primer and paint.
  • Remove the work platform and containment system.


Work will continue through early fall 2019.
Crews will return during spring 2020 and continue through early fall 2020. 



Financial Data for PIN 330524A
Funding Source Amount ($ in thousands)
2003 Gas Tax (Nickel Funding) $0
2005 Gas Tax (TPA) $0
Pre-Existing Funds (PEF) $0
CWA $16,016
Total $16,016


Doug Adamson 
WSDOT Communications

SR 305 Agate Pass Bridge Project Map