The 1583-foot main span claimed the title of the longest in the United States from the Cooper River Bridge by 37 feet. The 520 foot tall towers are supported by 42 drilled shafts that extend 180 feet into the riverbed. The 2.5 mile bridge is four lanes with big sholders. The state road using this bridge is currently just a two lane road. The planned cost per daily vehicle cost was $350m/6000 = $58k. The actual cost is (2012) $410m/2887 = $142k. It replaced a ferry service.
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