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Excellence in Highway Design
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Category 1 - The Urban Highway

Merit Award

Photo: State Route 509 Relocation

State Route 509 Relocation

Tacoma, Washington

Designer:  Washington State Department of Transportation
Contractors:  Max J. Kuney, Spokane;
Scarsella Brothers, Seattle;
Walter and Sci, Renton;
Ames Construction, Burnsville, Mn;
Tucci and Sons, Tacoma;
A.H.Powers, Seattle

Significant traffic delays on old State Route 509 through the port of Tacoma led to the design of this 4.5 mile divided highway. The new facility improved safety, traffic flow, and provided direct access to Interstate Route 705. The cable stayed bridge, a design requested by the city, minimized impact to a superfund cleanup site and gave the city a "landmark" structure.

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