The older was known as the Knights Key-Pigeon Key-Moser Channel-Pacet Channel Bridge and constructed from 1909 to 1912 under the supervision of the direction of Henry Flagler and Clarence S. It exists in two bridge format where the new one is open to vehicles and traffic while the older one is open only to cyclists and pedestrians. Seven Mile Bridge connects Marathon and Florida to the Little Duck Key which is an island in the Lower Keys. Currently, it is owned by the California Department of Transportation (Caltrans), the state highway agency and further controlled by the Bay Area Toll Authority (BATA). The eastern part of the bridge is in Hayward and it is also listed as the longest bridges in California. The bridges cross the American state of California’s San Francisco Bay by linking the San Francisco Peninsula with the East Bay. San Mateo–Hayward Bridge, California which is also known as the San Mateo Bridge is one of the longest bridges in the USA with a length of 7 miles. San Mateo–Hayward Bridge, California (7 miles) It was opened for the public in the year 1972. Charles Parish along with a portion of St. The bridge is connecting Interstate 10 through the Bonnet Carré Spillway, Lake Pontchartrain, and LaBranche Wetlands in the St. With a total length of 11 miles, it is one of the longest bridges in the USA and in the world. I-10 Bonnet Carré Spillway Bridge is popular as a twin concrete trestle bridge in the USA located in the state of Louisiana. I-10 Bonnet Carré Spillway Bridge, Louisiana (11 miles) The bridge was opened to the public on April 15, 1964, and listed in the 11 only 11 bridge-tunnel systems across the world.Īlso Read: 10 Most Famous Churches In The World The bridge and the tunnel is the combination of trestle, tunnels, four artificial islands, four high-level bridges, causeway and northeast and southwest approach roads crossing the Chesapeake Bay. One of the longest bridges in the USA with an estimated length of 17.6-miles, Chesapeake Bay Bridge-Tunnel is the connecting point between the Chesapeake Bay, the Hampton Roads harbour, and nearby mouths of the James and Elizabeth Rivers in the U.S. Chesapeake Bay Bridge-Tunnel, Virginia (17.6 miles) During 1973, it was the longest bridge in the USA and has two exits one from Whiskey Bay (Louisiana Highway 975) and another for Butte La Rose (LA 3177). It was opened for the public in the year 1973, however, construction was started in the year 1971. With a length of 18 miles, it is one of the longest bridges in the USA and second-longest on the interstate system.
state of Louisiana between Baton Rouge and Lafayette which carries Interstate 10 over the Atchafalaya Basin. Atchafalaya Basin Bridge, Louisiana (18 miles)Ītchafalaya Basin Bridge which is also known as the Louisiana Airborne Memorial Bridge is again a pair of parallel bridges situated between the U.S. There is also a claim that it is the longest toll-free road bridge in the world that was opened in 1979 constructed with a cost of $7 million per mile to complete.Īlso Read: 10 Best Countries to Visit on Vacation 2022 Route 51 over the Manchac Swamp in Louisiana. The bridge is connecting Interstate 55 and U.S. Manchac Swamp Bridge is the second largest bridge in the USA that spans for 23 miles. Manchac Swamp Bridge, Louisiana (23 miles) The idea of the bridge was initiated in the 9th century and Bernard de Marigny was believed to be the founder of the Mandeville. The bridge is listed in the Guinness World Records as the longest bridge in the world on water Bridge is an absolute unit of engineering which is supported by 9,500 concrete pilings. The northern part of the bridge is Mandeville, Louisiana and southern terminus of the causeway is in Metairie, Louisiana. It consists of two parallel bridges which crosses Lake Pontchartrain in southern Louisiana, United States. Lake Pontchartrain Causeway, Louisiana (24 miles)Īke Pontchartrain Causeway also is known as the causeway is the logest bridge in usa with an estimates distance of 24 miles. The most unique part is the imagination level of the engineers that inspired the to built amazing bridges across the world, Here is the list of longest bridges in the USA, Longest Bridges in the USA 1. Bridges are considered as the unimaginable civil engineering marvels because they are spectacular and one of the finest examples of human fraternity in the current civilization.
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