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Sept. 19, 2020
Traffic is sharing the southbound span’s three lanes
 The southbound span with the movable concrete barrier in place, awaiting northbound traffic.
Preparing to travel: things you should know
Southbound and northbound traffic started sharing the three lanes of the Interstate Bridge southbound span Saturday for the first day of a nine-day northbound span closure to replace parts in the lift span. The closure of the northbound span continues through Sunday, Sept. 27.
If you’re traveling between Portland and Vancouver, there are some things you should know:
- All vehicle traffic will share the three lanes of the southbound span. Movable concrete barriers allow two lanes of traffic in the busiest direction, with two southbound lanes open for the morning commute and two northbound lanes open for the afternoon commute.
- The speed limit is reduced to 40 mph through the work zone. Slow down and pay attention to signs and traffic control changes and watch for workers and equipment.
- Four area ramps are closed. View the detour routes.
- 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.
The closure details
During the Sept. 19-27 nine-day closure, northbound and southbound traffic will share the three lanes and sidewalk on the southbound span. Movable concrete barriers allow two lanes of traffic in the busiest direction, with two southbound lanes open for the morning commute and two northbound lanes open for the afternoon commute.
The sidewalk on the southbound span remains open at all times for people walking or riding bicycles. View detour information.
During the bridge closure, four ramps in the project area will close for traffic control and to ensure a safe work zone. Signs will direct travelers to detour routes. Learn more on the project website.
Sept. 27-Oct. 4: Lane closure on I-5 south
The left lane on the southbound span will close Sept. 27-Oct. 4 around the clock as crews upgrade the median barrier, remove equipment and wrap up the project.
Other impacts
After the closure, travelers should expect occasional night lane closures on I-5, up to 30-minute bridge lifts on the northbound span and nighttime ramp closures between Victory Boulevard in Portland and SR 14 in Vancouver.
Learn more
- Visit our Flickr for video and photos.
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