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Interstate 5 Construction (Portland to Wilsonville)

Current construction and paving projects on I-5 from Portland to Wilsonville are shown below. Click on a project to visit the project page. 

Interstate Bridge Trunnion Replacement

In September 2020, the northbound lanes of the Interstate Bridge will close for up to two weeks as crews replace a cracked trunnion and other parts that help lift and lower the bridge. During the closure, all traffic crossing the bridge will share the southbound travel lanes and sidewalks. The bridge is located on Interstate 5 where it crosses the Columbia River between Portland, Oregon and Vancouver, Washington.

This important maintenance work is necessary to keep the bridge in working order. Because this work takes place overhead, travel lanes must close to keep drivers safe and to provide access for construction crews and heavy equipment. We are preparing extensively for this project to ensure the shortest possible closure period. 

RealTime Electronic Signs from Marine Drive to I-405

ODOT is adding new electronic traveler information signs and advisory speed signs on I-5 in North Portland.  Construction will take place November 2019 through summer 2020.
View the project website.

Rose Quarter Improvement (planning project) 

ODOT, in partnership with the City of Portland, is continuing to study and design improvements to I-5 between Interstate 84 and Interstate 405 in Portland.

Marquam Bridge Electrical and Lighting Replacement

This project will replace the existing electrical and lighting systems for both the upper and lower decks of the Marquam Bridge. The bridge deck lighting fixtures, and navigation channel and pier lighting will be updated to modern LED technology. These upgrades will increase reliability, improve water navigation and freeway user safety, and reduce maintenance and operating costs.  Construction begins in summer 2019.

Contact Information

ODOT, Region 1
123 NW Flanders
Portland, OR 97209
Send us an email