Preliminary Project Design
A preliminary project design was developed by project partners at Washington State Department of Transportation (WSDOT) and U.S. Army Corps of Engineers (Corps). The current design partnership with the Corps, in conjunction with WSDOT and HCSEG, will incorporate site-specific data and public input to refine the preliminary design.
Preliminary project features include:
- A new ~1,600-foot-long estuary-spanning bridge elevated ~6 feet higher to allow for high tides and flood conditions.
- Wider shoulders and a re-designed intersection at Duckabush Road, with a left turn lane from Highway 101 onto Duckabush Road.
- Additional public parking adjacent to Duckabush Road at the north end of the new bridge.
- Restoration and reconnection of several historic tidal and river channels to improve fish and wildlife habitat.
A virtual public meeting showcasing the preliminary design was held Sept. 22 from 6 to 7 p.m. (meeting presentation). For questions about the preliminary design, contact Seth Ballhorn at firstname.lastname@example.org or 360-791-4987.
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WDFW, in partnership with the U.S. Army Corps of Engineers and the Hood Canal Salmon Enhancement Group (HCSEG), is proposing a restoration project on the Duckabush River estuary in Jefferson County. The project would occur primarily on public land at the Duckabush Wildlife Area Unit managed by WDFW.
The project would reconnect the Duckabush River to neighboring floodplains and wetlands by modifying local roads and elevating Highway 101 onto a bridge spanning the area where freshwater from the Duckabush River meets saltwater of Hood Canal.
The Duckabush River estuary is currently impacted by fill, dikes, and road infrastructure, which blocks water channels and limits critical habitat for fish and wildlife, including endangered salmon species.
This project would contribute to a Puget Sound-wide objective to restore river deltas and their wetlands. Over 50% of historical wetlands (57,823 acres) in Puget Sound’s 16 largest river deltas have been eliminated by development, which means there is significantly less natural habitat available for fish and wildlife to survive and thrive.
Fortunately, the Duckabush estuary provides a valuable opportunity to restore important habitat that would provide long-lasting benefits to fish, wildlife, and people.
- Reconnect and restore estuarine and freshwater tidal wetlands.
- Re-establish channels to promote greater diversity of delta wetland habitats.
- Restore mudflats and salt marsh.
Anticipated project benefits
- Improved estuarine habitat for fish, birds, and wildlife, including endangered Hood Canal summer chum and chinook salmon, which is a main food source for endangered Southern Resident Killer Whales (Orcas).
- Modernized highway design with updated safety features.
- Improved opportunity for natural filtration of water flowing through the estuary.
- Reduced seasonal flooding by eliminating existing water bottlenecks and allowing for natural tidal flows.
Review the final Supplemental Environmental Impact Statement (SEIS) for the Duckabush Estuary Restoration project. The final SEIS was released in Summer 2020 and includes responses to comments received on the draft SEIS. For more information on the Duckabush State Environmental Policy Act (SEPA) process, visit the Duckabush Environmental Review webpage.
The Washington Department of Fish and Wildlife is committed to sharing timely project information with the local community, stakeholders, tribes and government agencies, as well as providing opportunities for comment during project planning.
Preliminary Design Online Public Meeting
Public Open House
- Feb. 8, 2020 from 10 a.m. - 12 p.m. | at Brinnon School (46 Schoolhouse Rd., Brinnon, WA 98320)
SEPA Scoping Meeting (See the Duckabush SEPA page for more information.)
- July 13, 2019 from 9:30 - 11:30 a.m. | Brinnon School (46 Schoolhouse Rd., Brinnon, WA 98320)
- Meeting materials: SEPA scoping public meeting presentation and posters
- WDFW hosts online public meeting for Duckabush estuary restoration project on Sep. 22 (Sep. 17, 2021)
- WDFW invites public input on a proposed Jefferson County estuary restoration project (Jan. 21, 2020)
- WDFW seeks public input on 38-acre Duckabush restoration project (June 27, 2019)
- WDFW and Corps to collaborate on 38-acre Duckabush restoration (April 23, 2019)