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Named after the 40th governor of Louisiana, the Huey P. Long Bridge, just outside of New Orleans in Jefferson Parish, is the longest railroad bridge in the United States. For 15 years after it opened in 1935, it was the longest railroad bridge in the world. Initially conceived in 1892, the "Huey P." was the first bridge to span the deep-draft navigation channel of the lower Mississippi River, opening the path for a southern transcontinental railroad. The highway and pedestrian portions of the bridge provided additional transport, which previously had only been available by ferry. New Orleans and its surrounding regions grew in population and economic importance as the publicly owned bridge connected the Port of New Orleans to the rest of the United States through six Class I railroads. The Huey P. continues to function in its original, now undersized, capacity. In April 2006, the state began a widening of the bridge to double its automobile lanes from 18 feet to 43 feet. In September 2012, the American Society of Civil Engineers dedicated the Huey P. Long Bridge as a Historic Civil Engineering Landmark.
