St. Francisville, LA USA Louisiana Department of Transportation and Infrastructure John James Audubon Bridge City Country Client Contract type Design-Build Freie Spannweite der Hängebrücke 438 meters Special feature Longest cable-stayed bridge in America In 2011, Flatiron completed the longest cable-stayed bridge in North America, which spans a good 480 meters in length and is located near New Orleans. One special challenge in building the John James Audubon Bridge was the Mississippi River flood season. To enable the main span pier foundations to be poured, the HOCHTIEF company used a purposebuilt 2,300-metric-ton cofferdam construction. This saved both time and resources.

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