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Visibility history

Typically, visibility at Sunken I90 Bridge is about 13 ft (range 5–20 ft), based on 15 pnwdiving reports from 2022 through 2026.
Typical visibility by month at Sunken I90 Bridge
MonthTypical visibility (ft)
Feb12
Mar8
Apr9
May14
Jun18
Jul10
Aug13
Sep18
Dec10