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SR 500 - St. Johns Blvd. - Interchange - Project Specifics

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Public involvement

Your thoughts and opinions are important to us. Public involvement efforts related to this project first began in 1999 as part of the development of the environmental assessment for the project area. Two public meetings were held in 1999 as part of that process, and a combined open house and access hearing was held in March 2002.

WSDOT hosted an open house on June 3, 2009 to present the project design and receive feedback from the community. On July 26, 2009 WSDOT presented project information to the Hispanic community at an open house held in Vancouver. Click here to view the project flyer, also available in Spanish.

WSDOT hosted several public meetings in fall 2010 and heard public questions and concerns about the project. (Sept. 16 – project open house; Sept. 28 – public meeting with local businesses; Nov. 3 – public meeting.) In response to community feedback, project engineers redesigned the construction sequencing plan to avoid a full closure of St. Johns Blvd.

WSDOT will inform the public of any future public involvement through area mailings, this Web page and the local media. You can stay in the loop as the project moves through construction by signing up to receive project email updates.

For the latest public involvement meetings in Southwest Washington, visit the Southwest Region's Public Involvement page.

Increasing safety is our priority

The St. Johns Boulevard intersection is one of several intersections on SR 500 between I-5 and Andresen Road where accident rates are approximately 30 to 50 percent above the statewide average for intersections.

This new interchange will reduce accidents caused by vehicles changing lanes and merging at the current intersection, including rear-end type accidents that occur at the current signalized intersection.

Environmental protection

WSDOT is committed to preserving the environment, and we make every effort to assess and minimize environmental impact from our projects.

An environmental assessment for the project area (I-5 to Andresen Road) was completed in 2002. This environmental assessment identified and assessed the environmental and social impacts that could result from replacing the St. Johns intersection with a tight diamond interchange; replacing the NE 42nd Avenue/Falk Road intersection with an overpass with no access to SR 500; and replacing the NE 54th Avenue/Stapleton Road intersection with a single-sided loop interchange with modified braided ramps to Andresen Road. Environmental documents were updated in order to address the changes in design that have occurred at St. Johns Boulevard since the 2002 release.

For the SR 500, St. Johns Boulevard interchange project, WSDOT will construct bridges at the site of the new ramps on the east side of the St. Johns Boulevard to minimize impacts to Burnt Bridge Creek.

WSDOT's erosion control and water quality protection efforts include both temporary measures during construction activities and permanent measures (replacing some vegetation). Temporary erosion control measures during construction will include silt fences, check dams and catch basin protection. Permanent measures to control erosion and manage water quality will include drainage structures, vegetated ditches and detention ponds that collect and filter highway storm water run-off. Where feasible, permanent erosion control measures will be put in place immediately after construction starts so they can be used during construction.

For environmental information specific to this project, please contact Barb Aberle at (360) 905-2186, or e-mail

Will this project impact tribal resources?

At WSDOT we seek to address the concerns of the tribal nations using the process outlined in Section 106 of The National Historic Preservation Act and the WSDOT Tribal Consultation Policy adopted in 2003 by the Transportation Commission as part of the WSDOT Centennial Accord Plan.

This project lies within an area of interest for the Cowlitz Tribe and the Confederated Tribes of Grand Ronde. Tribal consultation was initiated May 2008. WSDOT is continuing consultation as the project develops.

For more information visit our WSDOT Tribal Liaison website.