I-5 Interstate Bridge closing for construction

 


The northbound span of the Interstate Bridge between Vancouver and Portland will close Sept. 12–20 as crews replace mechanical parts that help lift and lower the bridge.

During the closure, travelers crossing the Interstate Bridge in both directions will share the three existing lanes and sidewalk on the southbound bridge.

Closing the northbound bridge reduces the amount of traffic that can travel across the Interstate Bridge. Heavy traffic, congestion and long delays are expected in the region on I-5, I-205, I-84, SR 14 and local streets in north Portland and south Vancouver throughout construction.

During the closure, travelers crossing the Interstate Bridge in both directions will share the three existing lanes and sidewalk on the southbound bridge. A movable concrete barrier will shift the lanes to allow for two lanes of traffic to travel in the heaviest direction during commute times.

For example, during the morning commute, the bridge will have two southbound lanes and one northbound lane open. During the evening commute, the bridge will have one southbound lane and two northbound lanes open.

During the bridge closure, four ramps in the project area will close for traffic control and to ensure a safe work zone:

Marine Drive on-ramp to I-5 north in Portland.

Hayden Island on-ramp to I-5 north in Portland.

I-5 north to SR 14 off-ramp in Vancouver.

SR 14/Washington Street on-ramp to I-5 south in Vancouver.

Signs will direct travelers to detour routes.

 

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