REMINDER: I-5 closes tonight at 9 p.m. for one weekend south of downtown Portland.

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Reminder: I-5 Closes Tonight South of Downtown Portland

traffic cone

I-5 closes tonight, for one full weekend south of downtown Portland, from 9 p.m. Friday, June 28 to 5 a.m. Monday, July 1. Expect congestion and delays.

  • Seven I-5 on-ramps will close to prevent drivers from getting on I-5 in the area during the closure. More details below.
  • SW 26th Avenue under I-5 closes this weekend while work is happening above, from 9 p.m. Friday, June 28 to 5 a.m. Monday, July 1. An accessible pedestrian pathway is available, there may be flagging directing people walking and biking to maintain safety. Watch for signage.
  • I-5 southbound Terwilliger exit ramp will close from 7 p.m. to 9 p.m. tonight, June 28 and between 5 a.m. to 7 a.m. Monday, July 1 for crews to temporarily restripe two traffic lanes to reduce congestion during the closure.

Detours

During the closure, regional detours will use I-205, U.S. 26, I-405 and OR 217. A signed local detour will use SW Barbur Boulevard. Congestion is to be expected during the I-5 weekend closure.

Visit the project website for more information.

Detour Map

I-5 Regional Detour Map

On-Ramp Closures

I-5 closure map and on-ramp closures

Several on-ramps will also close to prevent drivers from getting on I-5 in the area during the closure.

  • Southbound on-ramp closures:
    • S Harbor Drive.
    • Interstate 405 southbound exchange to southbound I-5.
  • Northbound on-ramp closures:
    • ​SW Spring Garden Street.
    • SW Capitol Highway.
    • OR99W/SW Barbur Boulevard.
    • SW Haines Street.
    • Kruse Way.

Work Zone Safety

Help us maintain a safe workzone for crews and other drivers by slowing down, paying attention and following signs and flaggers. Thank you for your patience and cooperation.

ODOT work zone safety banner: Keep your eyes open for workers in orange.

Project Overview

The I-5 bridge over SW 26th Avenue was built in 1959 and widened in the 1980s. It carries over 100,000 vehicles per day. Its deck is heavily worn and near the end of its useful life. The project replaces the worn-out bridge for a smoother ride and to meet current seismic safety standards.

The construction method selected allows I-5 to remain open for all but one weekend. It also saves an estimated $5.5 million in costs and six months of construction time, as well as eases the impact on traffic, reduces nighttime noise, has lower environmental impacts and improves safety for workers and drivers. Additional night work is required to finish the bridge replacement safely and with minimal impact.

Construction started under I-5 on SW 26th Avenue in spring 2023 and will continue through fall 2024. This weekend, ODOT will close four miles of I-5 in both directions from Friday, June 28 at 9 p.m. to Monday, July 1 at 5 a.m. Expect delays.


Questions or comments?

Ellen Waters, ODOT Community Affairs

971-336-1249 

ellen.waters@odot.oregon.gov

Find more project information and sign-up for update:  bit.ly/swi-5repair


Translation/Interpretation Accommodations

For ADA Title II or Civil Rights Title VI accommodations, translation/interpretation services or for additional information call 503-731-4128, TTY (800) 735-2900 or use the statewide Oregon Relay Service: 7-1-1.

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