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SR 500/ Thurston Way Interchange - Vancouver

SR 500/Thurston Way Interchange Project page

Schedule: Good The project was completed on schedule. Cost: Good Contractor's bid amount: $22,725,000 Anticipated final payment: $22,804,441 When the bids were opened in January 2001, three bids were submitted. The Max J. Kuney Company submitted the lowest of these, which was $22,725,000. As the state’s first transportation design-build project, the contract amount was the first detailed cost estimate for the project. The SR 500/Thurston Way interchange was delivered on budget.

This is the state’s first transportation design-build project. Construction began in April 2001 and was completed in October – a timeline that is nearly one year shorter than would usually be achieved in a conventional "design-bid-build" approach.

The SR 500/Thurston Way intersection is one of the busiest in southwest Washington, located between the Andresen Road Interchange and the I-205 Interchange. After consulting with local businesses and emergency services representatives, full weekend closures of SR 500 were used as opposed to multiple days of single-lane closures and flagging, which would have disrupted traffic for a longer period of time.

The completion date for this project was October 1. However, WSDOT added seven days to the contract for work to correct a sign visibility problem. The project was substantially completed on October 7, 2002.

Contact:
Amy Revis, Project Engineer
Phone: 360-442-1346

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