I-5/columbia river interstate bridge - replacement

This $173,411,316.58 Formula Grant award from the Federal Highway Administration (CFDA 20.205 - Highway Planning and Construction) will fund the replacement and upgrade of the I-5 bridges and North Portland Harbor bridges over the Columbia River. The project will construct new seismically resilient bridges, modify interchanges in Oregon and Washington, add auxiliary lanes, install toll facilities, and enhance bus rapid transit and light rail transit service. It will also construct new active transportation facilities and expand transit operations and maintenance facilities. The grant period began on September 23, 2024 and the awardee is the Washington State Department of Transportation, who will manage the project.

Project description

Update the I-5 bridges (5/1W and 5/1E) and the north portland harbor bridges over the columbia river with new seismically resilient bridges. Modify three interchanges in oregon (north victory blvd., marine DR., and hayden island) and four in washington (SR 14, E mill plain blvd., E fourth plain blvd., and SR 500/39TH ST.). Add auxiliary lanes. Install toll facilities and implement tolling in oregon and washington. Enhance and extend bus rapid transit (VINE) and light rail transit (max) service, including over the two new I-5 bridges. Construct a transit hub that links the two. Expand and upgrade existing transit operations and maintenance facilities. Construct new active transportation facilities. The PE phase includes reevaluating the purpose and need, scope of work, and the environmental permits; developing a financial plan; and reengaging with project stakeholders.