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View Diary: Update-I-5 bridge over Skagit River collapses, cars with people in water (300 comments)

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  •  Vertical clearance barely 15 feet... (7+ / 0-)

    WA legal height without permit is 14 feet, but given the closeness to ports oversize loads are common. 15 foot clearance is the standard for new construction, but in a location like this where viable bypasses are rare a much taller clearance is preferred. That's why they don't build through truss bridges like this anymore.

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