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The Big Four Bridge is a six-span former railroad truss bridge that crosses the Ohio River, connecting Louisville, Kentucky, and Jeffersonville, Indiana, United States. It was completed in 1895, and updated in 1929. The largest single span is , with the entire bridge spanning . It took its name from the defunct Cleveland, Cincinnati, Chicago and St. Louis Railway, which was nicknamed the "Big Four Railroad". It is now a converted pedestrian and bicycle bridge from Louisville into Jeffersonville, Indiana. Access to the Big Four Bridge is limited to pedestrian and bicycle use. A pedestrian ramp on the Kentucky side was opened on February 7, 2013. The original approaches that carried rail traffic onto the main spans were first removed in 1969, earning the Big Four Bridge the nickname "Bridge That Goes Nowhere". The George Rogers Clark Memorial Bridge downstream, which carries U.S. 31 across the river, was previously the only bridge allowing bicyclists and pedestrians to travel between Louisville and the neighboring Indiana cities of New Albany, Clarksville, and Jeffersonville. In February 2011, Kentucky Governor Steve Beshear and Indiana Governor Mitch Daniels announced that the two states, along with the City of Jeffersonville, would allocate $22 million in funding to complete the Big Four Bridge project, creating a pedestrian and bicycle path to link Louisville and Jeffersonville. Indiana would spend up to $8 million and the City of Jeffersonville would provide $2 million in matching dollars to pay for construction of a ramp to the Big Four Bridge. Kentucky pledged $12 million to replace the deck on the bridge and connect it to the spiral ramp that was completed in Waterfront Park. On February 7, 2013, the Louisville ramp was opened for pedestrian and bicycle traffic. Initially planned for August 2013, the Jeffersonville ramp opened on May 20, 2014.〔 ==Description== The Big Four Bridge is a six-span bridge, totaling long, with a clearance of . The northernmost span is a riveted, 8-panel Parker through truss. The next three spans are long, and are riveted, 16-panel Pennsylvania through trusses. The two southern spans are riveted, 10-panel Parker through trusses. It carried a single track of railway. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Big Four Bridge」の詳細全文を読む スポンサード リンク
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