Interstate Bridge team outlines $5.68 billion first funded phase as program cost climbs

Jun 12, 2026

Program staff told the joint Oregon–Washington committee the updated 2026 estimate for the five‑mile corridor is $13.5–$14.4 billion and described a $5.68 billion first funded phase backed by $2.1B federal, $1B from each state and $1.5B projected in toll revenue; members pressed staff on lane decisions and contingency plans.

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Carly Francis, interim program administrator for the Interstate Bridge Replacement program, told the joint Oregon–Washington committee on June 12 that a revised program estimate now places the five‑mile corridor at roughly $13.5 billion to $14.4 billion at a 70th‑percentile confidence level. She said the figure reflects construction‑market inflation, added scope detail and more conservative risk loading compared with earlier planning numbers.

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