6 piers atop a pontoon for Seattle's new bridge to be removed, rebuilt

09/12/2013 | KOMO-TV/KOMO-AM (Seattle)

Pontoon W, a key concrete pontoon for Seattle's new floating State Route 520 bridge, has six pillars atop it that need to be dismantled and rebuilt due to "construction errors," according to the Washington State Department of Transportation. The pontoon has already undergone "extensive repairs" to fix cracks.

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