The Transportation Department says the 360-foot-long pontoon was towed out of Grays Harbor Wednesday and should arrive on Lake Washington on Sunday.
It's one of the largest of 77 pontoons being built for the new bridge.
More Northwest Headlines
Southwest Oregon wildfire grows to 23 square miles State senators question deal limiting shoreline development New fishing restrictions off Neah Bay begin Central Washington wildfire grows to more than 9 square miles Man attacked by bear at Joint Base Lewis-McChord More than 350 people evacuated as Lake Chelan wildfire grows Tourists flock to gawk at highway projects such as Seattle’s floating bridge Kitsap sewage spill prompts warning to stay out of water
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