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SR 509, Miller Creek Fish Passage *Advance Notice*

Description: The project will remove two fish barrier culverts and seven weirs. These existing fish barriers will be replaced with a fish-passable structure and a new stream alignment under SR 509/Des Moines Memorial Drive. Work includes fish exclusion and temp stream bypass systems, maintenance of traffic utilizing temp traffic bypasses and/or road closures, removal of existing fish barriers, earthwork, above and below ordinary high water, structure and wall construction, roadway reconstruction, guardrail installation, channel reconstruction, channel realignment, streambed restoration, roadside restoration, erosion control, water management and traffic control.

Released
Mar 19, 2026
Closes
Nov 11, 2026(79 days left)

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