New SR 520 floating bridge taking shape

SEATTLE – The new State Route 520 floating bridge has begun its march across Lake Washington. Late last week, construction crews completed the first joining of two immense, concrete pontoons that will support SR 520 as it crosses the water.

Contractor crews working on the SR 520 Floating Bridge and Landings Project used 80 bolts, each 16 to 20 feet long and close to 800 pounds, to secure Pontoon V to Pontoon W near Lake Washington’s Medina shore. …read more

From: WSDOT Northwest Travel News

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