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U.S. 26 at Mendenhall Creek

Construction Phase

Region 2: Willamette Valley and Northwest Oregon (Washington)

​​​​​​​​​​​​​​The existing culvert will be replaced with a single span bridge, which will help with the recovery of salmon. ​​​

Banner: Slow down, in the work zone it could save lives. Building a modern transportation system to help Oregon’s communities and economy thrive. During construction, Give yourself more time, try a new way or mode to get there or take a different route.


Traffic Impact

None at this time. When work starts again you can expect some single lane closures with flaggers helping direct traffic.

Construction Impacts

None at this time.​

Construction is estimated to complete in 2024.

Construction Activities

None at this time. When work starts again, we'll finish applying permanent striping and planting vegetation. 

Visit TripCheck​ for the most current traffic information.​

​Pedestrians, including those with disabilities, will have access through or around work zones. ​

work zone construction iconPay attention in the work zone, slow down and move over – imagine this is where you work! 

Always drive safely, watch for construction signs and workers. 

Remember: fines double in all Oregon work zones, whether workers and signs are present or not. ​​



The project includes replacing the existing culvert with a single span concrete deck bridge. The new bridge will create an easier passage for native migratory fish like salmon and steelhead, some of which are listed as endangered species. Improving fish passages aligns with our commitment to the Oregon Plan for Salmon and Watersheds.

Project Details:

  • Remove the old culvert.

  • Install a new single span bridge.

  • Reconstruct the streambed to encourage native fish migration.

    view the enlarged map

During construction expect noise and short delays. We will maintain two lanes of traffic during construction. ​


Design: 2019 - 2020
Construction: 2022-2024


U.S. 26 | ​​Mendenhall Creek, milepost 45.63

Cost and Funding

​​Design and Construction: $6.6 million

Contacts & Media

project map

Project Contacts

Resident Engineer
Jayson Buchholz

Public Information Officer
David House
Public Comment Form
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Last Updated

3/26/2024 3:01 PM

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