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I-5 SW Portland Bridge and Ramp Improvements


Region 1: Portland metro and Hood River County (Portland, Multnomah)

​​​​​​​​​​Oregon Department of Transportation (ODOT) is currently designing projects to improve the I-5 bridge at SW 26th Avenue and repair three ramps that access I-5 in SW Portland. These structural improvements will maintain and extend the life of our roadway system and give travelers a smoother ride.


Traffic Impact

Saturday, Oct. 9 — Saturday, Oct. 16, 2021

​35-day ramp closure continues until Thursday, Oct. 14: The Capitol Highway on-ramp to I-5 south will be closed 24/7 for five weeks (35 days) beginning at 12:01 a.m. Thursday, September 9 and ending at 5 a.m. Thursday, October 14. The project is on-track to finish on time.
  • The ramp will be closed for 35 consecutive days so that workers can replace the concrete bridge deck and install new ramp joints and bridge rails. Travelers should follow posted detours and expect traffic delays and commute impacts.
  • Right lane closure on southbound Barbur Boulevard: ​the right lane of southbound Barbur will be closed between Taylors Ferry Road and Capitol Highway during the 35-day ramp closure, but the driveways around Barbur World Foods will remain open.
  • There may be intermittent nighttime lane closures on I-5 south at Capitol Highway.
Nighttime lane closures on I-5 and SW Barbur Blvd​: Work begins this week on the Barbur Boulevard on-ramp bridge and will continue for 3-5 months.
  • Workers will first remove old paint from the steel structure of this bridge, then repaint it and replace bolts as necessary.
  • Most traffic impacts will be on I-5 and not the Barbur ramp itself, with some nighttime single lane closures. We expect work to be complete in spring 2022.
  • ​Expect periodic construction noise during the first phase of the project, mostly from heavy equipment and construction trucks (example: required vehicle reverse noises) and the sandblasting process required to remove the old paint. Those working or living near the work areas may hear construction noise between the hours of 8 p.m. to 5 a.m.
  • ODOT will use construction noise mitigation measures to reduce noise impacts to surrounding neighbors. Use the 24/7 nighttime noise hotline to reach a live person to discuss any noise concerns: 503-276-7811.


  • Nighttime single and double lane closures on I-5 north and south.
  • Nighttime closures of area on-ramps to I-5 north and south.

SW Multnomah Blvd on-ramp to I-5 north:

  • Full 24/7 closure over one weekend from 8 p.m. Friday, July 16 to 5 a.m. Monday, July 19 (now complete).
  • Daytime and nighttime single lane closures.

Capitol Highway on-ramp to I-5 south:

  • Full 24/7 closure for 35 consecutive days.

SW Barbur Blvd on-ramp to I-5 north:

  • Nighttime single lane closures.

See below for turn-by turn directions for the two upcoming ramp closures.

Capitol Highway on-ramp to I-5 south closure (September 9 - October 14):

Capitol Highway on-ramp to I-5 south

Car and Truck Detour:
  • Continue onto SW Barbur Boulevard (OR 99W).
  • Follow SW Barbur Boulevard to the I-5 south on-ramp.

Meetings and Events

​ODOT is always listening to and considering feedback from community and we look forward to future engagement opportunities with you. Contact Hope with comments and questions at hope.estes​


​Construction of the ramp repairs (including resurfacing, protective paint, new railings and more) is starting summer 2021 and may take up to one year to complete.



I-5 Ramp Repairs
Construction to repair three on-ramps to Interstate 5 in SW Portland starts July 2021 including:

SW Multnomah Blvd on-ramp to I-5 north

  • New concrete bridge surface.
  • New ramp joints.
  • New fencing and rail on both sides of the ramp.

Capitol Hwy on-ramp to I-5 south

  • New concrete bridge surface.
  • New ramp joints.
  • New bridge rail.

SW Barbur Blvd on-ramp to I-5 north

  • Remove old paint and repaint steel bridge structure.
  • Replace bolts as needed.
In Design Now: I-5 Over SW 26th Avenue Improvements Begin Spring 2023
ODOT is designing improvements to I-5 over SW 26th Avenue. These improvements will help maintain this section of the busy I-5 corridor. We expect construction to start in 2023 and we will share more information as it becomes available.

Project Area Map

Project Area Map


I-5 |

 Southwest Portland, multiple locations

Cost and Funding



  • Maintaining and investing in our roads: This work will extend the life of the transportation system. Ramp repairs increase capacity to handle daily traffic loads, while a bridge improvement will better sustain a major event, such as an earthquake. 
  • Smoother ride for travelers: An improved roadway will provide a smoother ride for 120,000 drivers who use this stretch of I-5 every day, causing less wear and tear on drivers’ vehicles.
What Project Will This Improve?

This project will address one bridge and three ramps in need of improvement to provide a smooth ride for travelers, extend the life of the heavily traveled roadway, and maintain safe conditions.

Additional Information

​For ADA (Americans with Disabilities Act) or Civil Rights Title VI accommodations, translation/interpretation services, or more information call 503-731-4128, TTY 800-735-2900 or Oregon Relay Service 7-1-1. 

Si desea obtener información sobre este proyecto traducida al español, sírvase llamar al 503-731-4128.

Если вы хотите, чтобы информация об этом проекте была переведена на русский язык, пожалуйста, звоните по телефону 503-731-4128.

如果您想瞭解這個項目翻譯成 繁體中文 的相關資訊,請致電(503)731-4128. 如果您想了解这个项目翻译成 简体中文 的相关信息,请致电503-731-4128.
이 프로젝트에 관한 한국어로 된 자료 신청방법 전화: 503-731-4128.

Nếu quý vị muốn thông tin về dự án này được dịch sang tiếng Việt, xin gọi 503-731-4128
Qorshayaasha, adeegyada turjumaada/fasiraada, ama wixii macluumaad dheeraad ah ee ADA Title II ama Xuquuqda Madaniga Title VI wac 503-731-4128, TTY (800) 735-2900 ama isticmaal Adeegyada Gudbinta Wararka: 7-1-1.

Contacts & Media

Project Contact

Community Affairs Coordinator
Hope Estes

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Last Updated

10/11/2021 1:06 PM

Project Number


Project Documents

Related documents to this project
Winter Newsletter_English_I-5 Bridge and Ramp Improvements-20486.pdfEnglish Winter 2021 Newsletter
Winter Newsletter_Spanish_I-5 Bridge and Ramp Improvements-20486.pdfSpanish Winter 2021 Newsletter
Winter Newsletter_Somali_I-5 Bridge and Ramp Improvements-20486.pdfSomali Winter 2021 Newsletter
Winter Newsletter_Arabic_I-5 Bridge and Ramp Improvements-20486.pdfArabic Winter 2021 Newsletter
Noise-Variance-Postcard_Somali.pdfNoise Variance Postcard Somali
Noise-Variance-Postcard-Arabic.pdfNoise Variance Postcard Arabic
Noise-Variance-Postcard-Spanish.pdfNoise Variance Postcard Spanish
Summer 2021 Newsletter_I-5 Bridge and Ramp Project_20486.pdfSummer 2021 Newsletter
I-5 Summer Newsletter-ESP-2021.pdfI-5 Boletín de Verano 2021
Summer-2021-Newsletter-Arabic.PDFArabic version of the Summer 2021 newsletter
Summer-2021-Newsletter-Somali.PDFSomali version of the I-5 Summer Newsletter

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