SR509 Miller Creek Fish Passage · WSDOT XE3718 · Cassandri
Figure 0.1 · BRIEFINGBID #XE3718 · WSDOTPRE‑BID · 3 DAYS
SR509 Miller Creek Fish Passage
King County
Bid dateFriday, July 17—
Project details
Description
This Project will remove (2) fish barrier culverts and (7) 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 will include, but is not limited to, fish exclusion and temporary stream bypass…
How to read this. Plan‑pull counts come straight from agency portals. Patterns and confidence scores are derived from comparable lettings (same county, same category, three‑year basis). Confidence is a calibration of past correctness on signals of this shape — not a guarantee of this bid’s outcome. We never round up. More on what Cassandri does →