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Published January 30, 2026 at 7:00 PM

Updated January 31, 2026

Site work, paving and new construction of a bridge / tunnel in Tacoma, Washington. Conceptual plans call for the construction of a bridge / tunnel; for site work for a bridge / tunnel; and for paving for a bridge / tunnel.

This project encompasses design and construction of the new I-5 Interstate Bridges over the Columbia River to the west of the existing structures. Length : 0.500 Begin Termini : 0.00 End Termini : 0.5 As of January 30, 2026, this project is in the conceptual phase. And environmental impact statement is being finished. Further information regarding a timeline for design and construction has not yet been established. Anticipated letting Year is 2027. WADOT - I-5 Columbia River Bridge *Project information has been obtained through a public state transportation improvement plan (STIP). A STIP is a financial schedule for short- and long-range projects which is updated regularly. Information listed in the STIP often evolves based on funding availability. The project details, including timeline and value, are subject to change. The content management team will continue to pursue additional details as they become available.

Conceptual

Bridges / Tunnels

$1,518,142,000.00

Public - State/Provincial

New Construction, Paving, Site Work

Plans and Specifications are not available for this project. If that changes, they will be made available here.

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July 1, 2027

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I-5, Tacoma, WA


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