Demolition, site work, paving and new construction of a bridge / tunnel in Brush Prairie, Washington. Completed plans call for the demolition of a bridge / tunnel; for the construction of a bridge / tunnel; for site work for a bridge / tunnel; and for paving for a bridge / tunnel.

The Short-listed Design-builders Will Then Be Issued a Request for Proposals (RFP). The Proposals Will Be Evaluated and Wsdot Will Select the Design Build Team That Provides the Apparent Highest Score Based on the Progressive Design-build Scoring Criteria. This Information is Preliminary and is Subject to Change. Under No Circumstances Should the Adver-tisement Information Be Used for Bidding or Construction Purposes. Engineer's Estimate: Progressive Design-build Contract Approximately $ 3.3 Billion to $3.9 Billion Scope of Work: Construct Two Scope of Work: Construct Two New Multimodal Columbia River Bridges With Approaches to Exist-ing 1-5 to the West Of the Exist-ing Bridges for Nb & Sb Travel-ers on 1-5. The New Bridges Will Include Inside Shoulders for Bus on Shoulder, Width for Future Light Rail Transit, and Also Width for Bicycle/Pedestrian Shared Use Path Including Touchdown Connec-tions. The Project Includes: The or Approach With A Full Hayden Island Interchange & Ties to Exist-ing 1-5 at the North End of the North Portland Harbor Bridge, the Wa Approach With Reconstruction Of the Sr14 Interchange & Ties to Existing 1-5 South of Evergreen Blvd ; and Removal of the Existing Bridges. *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document. RFP Release Date: November 23, 2026