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The others are, in order from longest to shortest, the Manchac Swamp bridge on I-55, the Atchafalaya Basin Bridge on I-10, the Louisiana Highway 1 Bridge, the Bonnet Carré Spillway Bridge on I-10, the Chacahoula Swamp Bridge on U.S. 90, the Lake Pontchartrain Twin Spans on I-10, and the LaBranche Wetlands Bridge on I-310.
With a total length of 58,077 feet (17,702 m; 10.9994 mi), it is one of the longest bridges in the world. The bridge carries Interstate 10 over the Bonnet Carré Spillway, Lake Pontchartrain, and LaBranche Wetlands in St. Charles Parish and a portion of St. John the Baptist and Jefferson Parishes. The bridge opened in 1972. [2]
The Norfolk Southern Lake Pontchartrain Bridge is a rolling lift trunnion bridge that carries a single-track of Norfolk Southern rail line over Lake Pontchartrain between Slidell and New Orleans, Louisiana, parallel to the Maestri Bridge [2] At 5.8 miles (9.3 km) long, it is the longest railroad bridge in the United States and the longest rail bridge over water in the world.
It carries Interstate 55 and U.S. Route 51 over the Manchac Swamp in Louisiana and represents a third of the highway's approximately 66 miles (106 km) in Louisiana. With a total length of 22.80 miles (36.69 km), [ 2 ] [ 3 ] it is one of the longest bridges in the world over water , and is the longest bridge on the Interstate Highway System ...
The bridge was opened to the public in 1973, construction was said to have begun in 1971. At the time of its completion, it was the second longest bridge in the United States, behind the Lake Pontchartrain Causeway Bridge. The bridge includes two exits: one for Whiskey Bay (Louisiana Highway 975) and another for Butte La Rose (LA 3177).
The Maestri Bridge (originally known as the Pontchartrain Bridge and later as the Watson-Williams Pontchartrain Bridge and the Five Mile Bridge) carries U.S. Route 11 (US 11) across Lake Pontchartrain between New Orleans and Slidell, Louisiana, in the United States. The 4.78-mile (7.69 km) bridge was the longest concrete bridge in the world ...
The Chacahoula Swamp Bridge is a twin concrete trestle bridge in the U.S. state of Louisiana. With a total length of 29,544 ft (9,005 m), it is one of the longest bridges in the world . The bridge carries US 90 over the Chacahoula Swamp in Louisiana [ 1 ] [ 2 ] The bridge was opened in 1995.
The LaBranche Wetlands Bridge is a concrete trestle bridge in the U.S. state of Louisiana. With a total length of 7,902 metres (25,925 ft), it is one of the longest bridges in the world. [1] The bridge carries Interstate 310 over the LaBranche Wetlands [2] [3] in St. Charles Parish. The bridge opened in 1992.