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Project Overview
The Tabor-Crowall and Brodell revetments are located on the right bank of the Cedar River. They help reduce flood risk to the Maple Valley Highway (SR 169), Cedar River Trail, local utilities, and private property.
The Tabor-Crowall Revetment is located just upstream of the Riverview Park footbridge. The Brodell Revetment is located farther upstream, next to the Maple Valley Highway, Cedar River Trail, and properties on Shelton Avenue Southeast. The Brodell Revetment is built around a fishway, which allows fish to access a stream that flows into the Cedar River. Both revetments were damaged by flood waters in 2020.
The King County Flood Control District, together with King County as service provider, is planning to repair these revetments in the summer of 2026. Repairing these revetments reduces flood risks to people and property. Timely action may also minimize damage to fish habitat and prevent the need for costly emergency repairs in the future.
What is a revetment?
A revetment is a structure built along a riverbank to prevent erosion. Revetments are usually built with rocks, wood, plants, and other materials. Native plants are added to the riverbank to improve stability and provide habitat for fish and wildlife.
Project goals
- Reduce flood risks to people, community resources, and infrastructure.
- Maintain or improve habitat for salmon and other fish.
- Limit disruptions to use of parks and the Cedar River Trail.
- Limit construction traffic impacts on the Maple Valley Highway.
Project schedule (subject to change)
| Date | Activity |
|---|---|
| 2020 to 2026 | Design and permitting |
| Summer 2026 | Construction |
| 2026 to 2027 | Site monitoring and project closing |
Construction impacts
King County is working to limit the impacts of construction. Construction may temporarily impact use of roads, sidewalks, trails, and parks in the area.
Construction impacts include temporary removal of the road shoulder and temporary closure of the left turn lane onto SE 5th Street during construction. There will also be detours for Cedar River Trail users.
We will continue to update this webpage with impacts to roads, sidewalks, trails, or parks in the area as the project moves through design and permitting. We will also post signs and flyers near the project site and notify local businesses and residents before and during construction. To receive updates, please sign up for the project email list.