The creation of a new version of the world’s longest floating bridge in Seattle, in the US state of Washington, is among the world’s most eye-catching current bridge engineering projects. Xihoumen Bridge, Zhoushan, Zhejiang Province, P.R. In July 2011 the Jiaozhou Bay Bridge in China was named by Guinness World Records as the 'longest bridge over water'. Changhua-Koahsiung Viaduct, Taiwan (157,317 Meters) The Changhua-Koahsiung Viaduct is the … And smarter. The existing fiber optic cable plant was blown out of its tray but remained intact per optical time domain reflectometer (OTDR) analysis. The southern terminus of the causeway is in Metairie, Louisiana, a suburb of New Orleans. The modern causeway started to take form in 1948 when Ernest M. Loeb Jr. envisioned the project. Its pontoons are 60 feet wide and support a roadway with three lanes of eastbound traffic. Lake Pontchartrain Causeway then became the longest bridge over water (continuous)[3] while Jiaozhou Bay Bridge the longest bridge over water (aggregate).[4]. China. The longest floating bridge in the world The world's longest floating bridge is now under construction in Seattle – a masterpiece of engineering and logistics. The longer of the two bridges is 23.83 miles (38.35 km) long. Supported by 77 pontoons, the new Evergreen Point Floating Bridge has a span of 7,710 feet (2,350 m), 130 feet longer than the bridge it replaced. It opened in 1956 at a cost of $46 million. The Lake Pontchartrain Causeway is one of seven highway spans in Louisiana with a total length of 5 miles (8.0 km) or more. Original bridge completed in 1940 but sank in 1990 because of weather and mishaps in maintenance. Completed 2008. The Maestri Bridge comes close, but runs short by two-tenths of a mile at roughly 4.8 miles (7.7 km) in total length. Built in 2003/2004, carries light automobile traffic. In May 1999, the standard tolls for cars changed from $1.50 in each direction to a $3 toll collected on the North Shore for southbound traffic. The idea of a bridge spanning Lake Pontchartrain dates back to the early 19th century and Bernard de Marigny, the founder of Mandeville. Completed 1989. The toll changed from $3.00 with cash and $2.00 with a toll tag to $5.00 with cash and $3.00 with a Toll Tag. It is an impressive example of the health of the bridge replacement sector, particularly in the US, leaving it well placed for growth. Aas-Jakobsen, COWI and Multiconsult with Johs. Due to his lobby… Since 1969, it was listed by Guinness World Records as the longest bridge over water in the world; in 2011, in response to the opening of the longer Jiaozhou Bay Bridge in China, Guinness World Records created two categories for bridges over water: continuous and aggregate lengths over water. Krämerbrücke, Erfurt, Germany. He started a ferry service that continued to operate into the mid-1930s. Munich Re, with its wealth of expertise, is involved in insuring the project. Spans 5,811 feet (1,771 m). Holt will assist the Norwegian Public Roads Administration (NPRA) to find the most advantageous bridge solution for the European Route 39 (E39) across Bjørnafjorden (the Bear Fjord) in Hordaland. Completed 2001. This page was last edited on 26 August 2020, at 22:22. The total driving distance on continuous elevated roadway is over 38 miles (61 km). Completed 2016. Louisiana is also home to the Norfolk Southern Lake Pontchartrain Bridge, which at 5.8 miles (9.3 km) is one of the longest railway bridges in the United States. At one and a half miles long, it's 130 feet longer than it's predecessor. 4:52. [55] In 1979, the longest floating bridge crossing salt water, the Hood Canal Bridge , was subjected to winds of 80 miles per hour (130 km/h), gusting up to 120 miles per hour (190 km/h). New floating bridge SR 520: World’s longest floating bridge Vital regional link connects communities across Lake Washington Contractor Kiewit/General/Manson, A Joint Venture (KGM) began to remove the old SR 520 floating bridge from Lake Washington immediately after traffic switched over to the new floating bridge. [4], Parallel bridges in Louisiana, United States, The southern end of the causeway at Metairie, Louisiana, in 1998, Learn how and when to remove this template message, Norfolk Southern Lake Pontchartrain Bridge, "Causeway lighting project cost double expectations", "Longest bridge over water (aggregate length)", "PILE RESTORATION OF THE LAKE PONTCHARTRAIN CAUSEWAY", "The History of the Lake Pontchartrain Causeway", "6 Die in Lake Pontchartrain as Bus Plunges Off Bridge Hit by Barges", "Toll Tags | Causeway Bridge Tolls & Fees", "Causeway refuses to relinquish 'world's longest bridge' title to China", Template:Attached KML/Lake Pontchartrain Causeway, https://web.archive.org/web/20090806091006/https://library.rice.edu/collections/WRC/finding-aids/manuscripts/0488, List of medieval stone bridges in Germany, https://en.wikipedia.org/w/index.php?title=Lake_Pontchartrain_Causeway&oldid=997464542, Buildings and structures in Jefferson Parish, Louisiana, Buildings and structures in St. Tammany Parish, Louisiana, Transportation in the New Orleans metropolitan area, Transportation in St. Tammany Parish, Louisiana, Transportation in Jefferson Parish, Louisiana, Tourist attractions in Jefferson Parish, Louisiana, Tourist attractions in St. Tammany Parish, Louisiana, Infobox mapframe without OSM relation ID on Wikidata, Pages using infobox bridge with clearance, Pages using infobox bridge with empty coordinates parameter, Articles needing additional references from August 2014, All articles needing additional references, Creative Commons Attribution-ShareAlike License, A virtual re-creation of the causeway appears in the 2004 video game, A number of scenes in the 2020 superhero film, This page was last edited on 31 December 2020, at 17:00. The financing for this plan would come from selling home sites on the islands. The bridges are supported by 9,500 concrete pilings. Spans 6,074 feet (1,851 m). [7], Since its construction, the causeway has operated as a toll bridge. The Demerara Harbour Bridge spans the Demerara River about three miles south of the Guyanese capital of Georgetown. The Governor Albert D. Rossellini Bridge—Evergreen Point bridge (often called just the SR 520 bridge) in Seattle is the longest floating bridge on the planet. Spans 2,100 feet (640 m). The storm surge was not as high under the causeway as it was near the I-10 Twin Span Bridge, and damage was mostly limited to the turnarounds. The world's longest floating bridge, the SR 520, just opened near Seattle, Washington. Like the Old London … A pontoon bridge from Punda to Otrabanda across the harbor of. [8], A parallel two-lane span, 1/100th of a mile (15 m) longer than the original, opened on May 10, 1969, at a cost of $30 million. After Hurricane Katrina on August 29, 2005, videos collected showed damage to the bridge. Completed 1994. The world's longest floating bridge, a 230,000-ton ribbon of concrete spanning Lake Washington, is getting longer. All 31 Completed 1875. [13] Supporters made this claim based on its own definition i.e., the length of a bridge physically over water and concluded that the Lake Pontchartrain Causeway spans 38.28 km (23.79 mi)[13] and was therefore the longest. Norway’s highways authority has selected its preferred design concept for what will be the world’s longest floating bridge, over the 550-meter-deep Bjørna fjord south of Bergen. The Lacey V. Murrow bridge (right) is the world's third-longest floating bridge at 6,603 feet. [4] At that time there was some controversy in the United States as supporters of the former holder of the record, the Lake Pontchartrain Causeway, disagreed with Guinness World Records not calling the causeway the longest. For decades Lake Pontchartrain Causeway was listed by Guinness World Records as the longest bridge over water in the world. The causeways have never sustained major damage of any sort from hurricanes or other natural occurrences, a rarity among causeways. The modern causeway started to take form in 1948 when Ernest M. Loeb Jr. envisioned the project. World… Tolls were reinstated by mid-October of that year. In spring 2016, Jakobsen and her team carried out a six week measurement campaign in the Bjørnafjord, in collaboration with the … Spans 6,521 feet (1,988 m). The free-floating bridge has the longest laterally-unsupported span in the world. Floating concrete sounds tricky enough, but try floating 77 concrete pontoons, 23 of which weigh 11,100 tons each. The Evergreen Point Floating Bridge, also known as the 520 Bridge and officially the Governor Albert D. Rosellini Bridge, carries Washington State Route 520 across Lake Washington from Seattle to its eastern suburbs. Governor Albert D. Rosellini Bridge — Evergreen Point, SR 520 Albert D. Rosellini Evergreen Point Floating Bridge, https://en.wikipedia.org/w/index.php?title=List_of_pontoon_bridges&oldid=975134831, Short description is different from Wikidata, Creative Commons Attribution-ShareAlike License, Constructed of hollow concrete pontoons, it was replaced by a new bridge in 1964, The new floating bridge replaced an older one and spanned the. Located near Bergen, Norway, the Nordhordland Bridge consists of a free-floating bridge and a high level cable-stayed bridge. The northern terminus is at Mandeville, Louisiana. 29.07.2014 [12] Structural foundations remained intact. Until 1999, tolls were collected from traffic going in each direction. Sydney, Australia. In the 1920s, a proposal called for the creation of artificial islands that would then be linked by a series of bridges. The Jiaozhou Bay Bridge spans water for only 25.9 km (16.1 mi). Pontoon bridges have been constructed over the Zhang and Gong rivers since the. It is 400 metres long, made up of wooden planks placed on around 100 wooden boats linked together with iron chains. Spans 6,620 feet (2,018 m). At 7,580 feet, Seattle’s Albert D. Rosellini Bridge already had the distinction of being the world’s longest floating bridge. This past weekend, Seattle replaced one superlative piece of infrastructure with another. Now, its replacement is even longer, by about 130 feet. Completed 1978. The 10 Longest Floating Bridges in the World Lacey V. Murrow Memorial Bridge, Seattle, U.S.A, 2,020 meters, 1940. This is a list of the world's longest bridges more than three kilometres … Lake Pontchartrain Causeway then became the longest bridge over water (continuous)[3] while Jiaozhou Bay Bridge became the longest bridge over water (aggregate). [7], On June 16, 1964, six people died when barges tore a gap in the bridge and a bus plunged into the lake. The financing for this plan would come from selling home sites on the islands. Longest inhabited bridge. [10], The opening of the causeway boosted the fortunes of small North Shore communities by reducing drive time into New Orleans by up to 50 minutes, bringing the North Shore into the New Orleans metropolitan area. When crossing this bridge one can get a very beautiful view of the Demerara river. The longest floating bridge in the world. The Louisiana Bridge Company was formed to construct the bridge, which in turn appointed James E. Walters Sr. to direct the project. Completed 1992. Second bridge completed 1993. [9] In 2017, the toll was raised to fund safety improvements on the bridge. Completed 1963. Spans 7,710 feet (2,350 m). With the I-10 Twin Span Bridge severely damaged, the causeway was used as a major route for recovery teams staying in lands to the north to get into New Orleans. Four of the five longest floating bridges in the world are in Washington state. The U.S. state of Washington is home to some of the longest permanent floating bridges in the world, and two of these failed in part due to strong winds. A new floating bridge has been erected over, The bridge opened to the public on 16 July 2007; two weeks after applying the. This included not just the bridge, but three approach roads on the north end and a long stretch of road on the south end. Spans 4,086 feet (1,245 m) (the floating bridge part). Spans 3,061 feet (933 m). The 7,710-foot-long (2,350 m) floating span is the longest floating bridge in the world, as well as the world's widest measuring 116 feet (35 m) at its midpoint. No one had ever attempted detensioning such long tendons. The bridge carries the eastbound lanes of Interstate 90 across Lake Washington from Seattle to Mercer Island, Wash. 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