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Oregon Bridge Wins PCA Award

Redmond, OR -Nine winners have been named in Portland Cement Association's 11th Biennial Bridge Awards Competition. The competition, instituted in 1988, recognizes excellence in design and construction of concrete bridges. This year's winning projects included Maple Avenue Bridge in Redmond, OR. The city needed an affordable, functional bridge to provide an east-west link across Dry Canyon,...

October 06, 2008

Redmond, OR -Nine winners have been named in Portland Cement Association's 11th Biennial Bridge Awards Competition. The competition, instituted in 1988, recognizes excellence in design and construction of concrete bridges.

This year's winning projects included Maple Avenue Bridge in Redmond, OR. The city needed an affordable, functional bridge to provide an east-west link across Dry Canyon, a recreational open space within the city. In addition to enhancing the area's aesthetics, the city wanted a bridge that could be widened in the future if necessary.

Designers chose a cast-in-place concrete bridge with three arch spans of 210 feet and two 75-foot post-tensioned approach spans. All the substructure elements of the bridge are slender in the profile view of the bridge. This gives the bridge the strength it needs while making it graceful in appearance.

Project principals were city of Redmond, owner; OBEC Consulting Engineers and Jiri Strasky, engineer; Cascade Bridge LLC, contractor; Central Oregon Redi-Mix, concrete supplier.

Jury Comments: “The strength of concrete in compression is demonstrated best in the arch form and none better in the lightness of the components of this open spandrel design. It sits lightly on the landscape of its setting.”

Another winner was South Slough Bridge No. 91, Snohomish County, WA.

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