Length Matters

Bold engineers, astute vendors and ideal girder delivery routes to target bridge sites have the Washington State Department of Transportation perpetually maximizing the structural value of 10,000 psi concrete, prestressed with 0.6-in. diameter steel strand. For more than a decade, the agency has approached Interstate 5 corridor bridge designs—especially structures spanning urban rail lines and/or key arteries—intent on reducing pier…

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Concrete Technology, WSDOT push the envelope with record 223-ft. girder

Sources: Washington State Department of Transportation; CP staff Washington State DOT and Guy F. Atkinson Construction have mapped a two- to three-week January schedule to place the final precast, prestressed concrete girders for the three-span, southbound Interstate 5 Puyallup River Bridge in Tacoma. To eliminate piers along BNSF and Union Pacific rail lines paralleling the water, engineers enlisted Federal Way,…

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