Manchac Swamp Bridge
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The Manchac Swamp Bridge is a twin concrete trestle bridge near Manchac in the U.S. state of Louisiana.[1] It carries Interstate 55 and U.S. Route 51 over the Manchac Swamp in Louisiana and represents a third of the highway's approximately Script error: No such module "convert". in Louisiana.
With a total length of Script error: No such module "convert".,[2][3] it is one of the longest bridges in the world over water, and is the longest bridge on the Interstate Highway System, and some claim it is the longest toll-free road bridge in the world.[4]
Opened in 1979,[1] with piles driven Script error: No such module "convert". beneath the swamp, it cost $7 million per mile (Script error: No such module "convert"./km), equivalent to $Template:Formatprice per mile (Script error: No such module "convert"./km) in Template:Inflation/year,[5] to construct.[6]
2023 Manchac Swamp Bridge Car Crash
The 2023 Manchac Swamp Bridge Car Crash occurred on October 23, 2023, on Interstate 55 in St. John the Baptist Parish, Louisiana. The incident was primarily caused by a combination of heavy fog and drifting smoke from nearby marsh fires, a phenomenon known as superfog. The crash took place on the elevated section of I-55, which spans from Ponchatoula to LaPlace over the swamplands below. During the crash, one vehicle fell into the water and partially sank, while over 100 motorists were left stranded until rescue services could reach the area. The collision involved 168 vehicles, resulting in 8 fatalities and 63 injuries. The severe conditions and scale of the accident posed significant challenges for emergency responders.
See also
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- List of bridges in the United States
- List of longest bridges
References
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- ↑ a b Cite error: Script error: No such module "Namespace detect".Script error: No such module "Namespace detect".
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- ↑ Script error: No such module "citation/CS1". United States Gross Domestic Product deflator figures follow the MeasuringWorth series.
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- U.S. Route 51
- Bridges completed in 1979
- Transportation buildings and structures in St. John the Baptist Parish, Louisiana
- Buildings and structures in Tangipahoa Parish, Louisiana
- Transportation in Tangipahoa Parish, Louisiana
- Road bridges in Louisiana
- Interstate 55
- Bridges on the Interstate Highway System
- Concrete bridges in the United States
- Trestle bridges in the United States