Seattle Bridge Bid Comes in Under Projected Estimates

The low bid for the State Route 520 bridge came more than $160 million under the projected budget, the Washington State Department of Transportation said Wednesday.

Kiewit-General-Manson's bid price of $586.5 million for construction of a new, six-lane floating bridge is $163.5 million less than the high-end estimate of $750 million included in the request for proposals. WSDOT staff analyzed and scored proposals from three prequalified teams vying to design and build the new bridge.

"Replacing the aging SR 520 bridge is a critical priority for the state and an investment that will create jobs today and into the future," Gov. Chris Gregoire said. "Identifying the contractor who provides the apparent best value is a major step toward constructing a safer bridge that will keep our economy moving."

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