Figure 0.1 · BRIEFING
BID #XE3704 · WSDOTRESULT · awarded Apr 1

I-90, EB Mercer Slough Bridge Rehab

King County

Bid dateWednesday, April 1—
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Project details

Description
Requires replacing bearing seats, repairing expansion joint headers, replacing expansion joint seals, erosion control, relocating water main pipe support facilities, traffic control and other work. 68 working days. Work Class 6, bridges and structures.

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 →