Reeder Road Culvert Replacement

In 2026, we will replace two culverts and repair this section of Reeder Road where it crosses Dairy Creek Slough.

A map graphic showing the location of the project site where Dairy Creek Slough crosses under Reeder Road, with a locator map showing the location near the center of the eastern shore of Sauvie Island.
  • Location: Reeder Road crossing at Dairy Creek (see map)
  • Schedule: planned 2026
  • Estimated Cost: $3 million
  • Funding Source: to be determined

Project Description

We will repair two culverts under Reeder Road that partially collapsed in early 2022. These culverts carried a slow-moving section of Dairy Creek, and their collapse caused the bank above them to fall in. This created large sinkholes in both lanes.

In 2022, we made temporary repairs to reopen the road. We are working on a long term repair to replace the failed culvert.

Traffic Impacts

We will build a detour road around the work area to keep the road open during construction.


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Last reviewed August 13, 2025