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Topic: surge

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March 23, 2014 at 12:11 AM

WSDOT: Water surge could weaken bridge supports

UPDATE, Sunday, 9 a.m. | WSDOT officials say they’ll have “hours” to close bridges (I-5, SR9, SR530) if the debris dam breaks. ORIGINAL POST | Besides the threat of a surge of debris damaging bridges, state transportation officials are preparing for the chances that bridge supports could be scoured and weakened by heavy water flow. One of…

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