Wikipedia:Today's featured article/May 22, 2010

The BP Pedestrian Bridge is a girder footbridge in the Loop community area of Chicago. It spans Columbus Drive to connect Daley Bicentennial Plaza with Millennium Park, both parts of the larger Grant Park. Designed by architect Frank Gehry, it opened along with the rest of Millennium Park on July 16, 2004. Gehry had been courted by the city to design the bridge and the neighboring Jay Pritzker Pavilion, and eventually agreed to do so after the Pritzker family funded the Pavilion. Named for energy firm BP, which donated $5 million toward its construction, it is the first Gehry-designed bridge to have been completed. BP Bridge is described as snakelike because of its curving form. Designed to bear a heavy load without structural problems caused by its own weight, it has won awards for its use of sheet metal. The pedestrian bridge serves as a noise barrier for traffic sounds from Columbus Drive. It is designed without handrails, using stainless steel parapets instead. The total length is 935 feet (285 m), with a five percent slope on its inclined surfaces that makes it barrier free and accessible to all. Although the bridge closes in winter because ice cannot be safely removed from its wooden walkway, it has received favorable reviews for its design and aesthetics. (more...)

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