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I-35W Saint Anthony Falls Bridge
The I-35W Saint Anthony Falls Bridge crosses the Saint Anthony Falls of the Mississippi River in Minneapolis, Minnesota in the U.S., carrying north-south traffic on Interstate Highway 35W. The ten-lane bridge is the replacement for the I-35W Mississippi River bridge, which collapsed on August 1, 2007. It was planned and is maintained by the Minnesota Department of Transportation (Mn/DOT). The planning, design, and construction processes were completed faster than normal because Interstate 35W is a critical artery for commuters and truck freight.〔 The bridge opened September 18, 2008, well ahead of the original goal of December 24.
==Collapse of the previous bridge==
(詳細はrush hour at 6:05 pm on August 1, 2007, the main spans of the I-35W Mississippi River bridge in Minneapolis collapsed and fell into the river and onto its banks, killing 13 people and injuring 145. The bridge opened in 1967, and was expected to carry 66,000 vehicles per day. Though intended to last fifty years, it collapsed after forty.
Originally, the bridge was striped for two lanes in each direction. In 1988, the four shoulders were converted to traffic lanes, accommodating four lanes in each direction. This allowed an increase in traffic flow. By 2004, an estimated 141,000 vehicles crossed the bridge each day.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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