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Multnomah Falls Viaducts

Design Phase

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

​​​​​​Two historic viaducts carry traffic on the Historic Columbia River Highway on either side of Multnomah Falls. The viaducts are over 100 years old and repairs will allow the viaducts to continue carrying traffic along Historic Columbia River Highway for years to come. 

Columbia River Gorge Construction: I-84 and U.S. 30 Historic Columbia River Highway


Construction Impacts

​This work will close one viaduct at a time between fall and spring each year (2024 to 2026). Travelers should expect lane closures with flaggers directing traffic on the Historic Columbia River Highway. Schedule subject to change.


​Construction is anticipated to occur between from 2024 to 2026. Schedule subject to change.



U.S. 30 |

Multnomah Falls on the Historic Columbia River Highway

Cost and Funding

​Funded through the Federal Lands Access Program


​These repairs will allow the viaducts to continue carrying traffic along the Historic Columbia River​ Highway for years to come.  

Additional Information

Over the next several years, we have many construction projects planned on I-84 between I-205 and Hood River, and on the Historic Columbia River Highway between Troutdale and Hood River. 

View more information about upcoming work. 

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.

Podemos proveer la información en esta publicación en español. Para recibir la información en español, por favor llamé 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.

이 프로젝트에 관한 한국어로 된 자료 신청방법 전화: 503-731-4128.

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Contacts & Media

Project Contact

Community Affairs Coordinator
Katelyn Jackson
Project Hotline
24/7 Noise: 503-294-1570
Project Accommodation Request

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Last Updated

6/3/2022 12:45 PM

Project Number