Commenting on the proposed longest floating bridge, Eidem emphasised the need for lidar technology: ‘It is the first time we [will] develop a bridge of these dimensions. 29.07.2014 The world's longest floating bridge, the SR 520, just opened near Seattle, Washington. Viele Pendler nutzen die Brücke, um in die Innenstadt oder in die wachsenden Vorstädte zu kommen. The World's New Longest Floating Bridge. Doch die Brücke ist baufällig geworden, das Alter und die Belastung durch den ständig zunehmenden Anteil des Schwerlastverkehrs und dessen Achslasten zeigen sich an vielen Stellen: Die Wettereinflüsse setzen der Brücke zu, der Beton der Struktur ist porös, Wasser fließt ein, die Stahlträger rosten bedenklich. The 2.4km-long, six-lane pontoon structure is now enjoying a festive period before opening to vehicles later this month. Da weltweit nur sehr selten lange schwimmende Brücken gebaut werden, wurde auf der Rückversicherungsseite ein Partner mit viel Erfahrung und Wissen benötigt, der die Risiken eines derart ambitionierten Projekts versteht und entsprechend rückversichern kann. Washington - The title of the longest floating bridge goes to — drumroll, please — the Washington State Department of Transportation's Evergreen Point Floating Bridge. It is the world's longest floating bridge. Aktuelle Informationen - direkt in Ihre Mailbox. A toll bridge until 1979, its common name is the 520 bridge or Evergreen Point Floating Bridge. Date of experience: April 2015. Building the world’s longest floating bridge on the E39. In spring 2016, Jakobsen and her team carried out a six week measurement campaign in the Bjørnafjord, in collaboration with the Technical University of Denmark (DTU) and CMR. The world's third longest floating bridge, the Hood Canal Bridge, connects Washington's Olympic and Kitsap peninsulas, while the world's fourth longest floating bridge is … The floating bridge was one of 162 projects world-wide in contention for the award. The bridge will be held up by steel rods attached to the tower being built on large floating structures that are anchored to the seabed. The building houses technology that controls and monitors various aspects of the bridge and roadway including lights, traffic cameras, fire suppression systems and more. The Bjørnafjord Bridge, located south of Bergen, takes its cue from the bridge over the Sognefjord, Norway's largest fjord. The bridge carries the eastbound lanes of Interstate 90 across Lake Washington from Seattle to Mercer Island, Wash. The bridge does not cross a body of water but instead is an elevated section of the National Highway. When completed, the Bjørnafjorden floating bridge will almost certainly surpass the Evergreen Point Bridge as the world’s longest by a factor of two. 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. The world's longest floating bridge in Seattle, Washington is one of the most impressive bridge engineering projects on the globe and it is an impressive example of the health of the bridge replacement industry. Currently used by more than 70,000 vehicles daily to commute to work, school, and local recreational activities, the current structure, commonly known as the State Route (SR) 520 floating bridge, faces earthquakes and windstorms. Ferry-free highway. Die Brücke soll nicht nur höher und mit sechs Spuren, Fuß- und Fahrradwegen erheblich breiter, sondern vor allem sicherer werden – ein Prestigeprojekt, das die technischen Grenzen der Machbarkeit im Brückenbau neu auslotet. Melden Sie sich für unseren Newsletter an, um über Artikel zu Ihren bevorzugten Themen informiert zu werden. Happy birthday to the new SR 520 floating bridge! Now crews are preparing to overhaul the bridge and make it even longer. The bridge connects Seattle Washington to Bellevue Washington. A large backup generator sits on the ground level to power all systems in the event of a … Floating Bridge – World’s Longest – Proposed at Bjørnafjorden. The four-lane bridge is also deemed unable to cope with the major population and employment growth in and around the Seattle region. The six lane State Route 520 floating bridge is replacing a structurally vulnerable predecessor built in the 1960's which had issues during windstorms and high waves. For the crossing of the great fjord -- 3.7 kilometres (2.2 miles) wide and 1,300 metres (4,265 feet) deep -- a complex system is planned that combines bridges and tunnels. Length: 7,580 feet. The world’s first floating bridge to be built using concrete pontoons, it was designed by engineer Homer Hadley, and constructed by the Puget Sound Bridge and Dredging Co., at a price tag of $9 million. Munich Re, with its wealth of expertise, is involved in insuring the project. The current design enhances connectivity by improving connections between communities, increasing transit and high occupancy vehicle (HOV) access, and improving access to public open space and to bicycle and pedestrian facilities. The Evergreen Point Floating Bridge, now officially the Governor Albert D. Rosellini Bridge-Evergreen Point, is the longest floating bridge in the world at 7,578 feet (2,310 meters). But even if the bridges are much more expensive to build, they are far cheaper to maintain than the undersea tunnels. 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. In Seattle verbindet seit über 50 Jahren die längste schwimmende Brücke der Welt Downtown Seattle mit den nördlichen Gemeinden jenseits des Lake Washington. [1] It is interesting to note that there are sections on either side which can be elevated so smaller vessels can pass under the bridge. Fears parts of world's longest sea bridge are floating away. Prior to 2010, it was the longest bridge in the world. Guy Woodford reports Already the world’s longest floating bridge at over 2,310m long, the Governor Albert D Rosellini-Evergreen Point Floating Bridge in Seattle in the United States is g August 12, 2014 An artist's rendering of the new SR 520 floating bridge from Laurelhurst. At one point the expressway does cross a river. According to Guinness World Records, the bridge, which links Bellevue to Seattle and was inaugurated in April 2016, measures 7,710 feet in length. In Seattle wurde seit dem Erdbeben 2001 über einen Ersatz, die Kosten und das Design einer neuen Brücke gestritten. ". Find a library where document is available. It is 7,497 feet (2,285 meters), or 1.4 miles (metric), long and spans Lake Washington, letting … When complete, it will be the longest suspension bridge in the world with a main span of 2,023m. The floating bridge on Seattle's Route 520 already has the distinction of being the longest one in the world. Norway’s highways authority has selected its preferred design concept for what will be the world’s longest floating bridge, with an estimated construction value of about U.S. $1.3 billion. The new bridge provides improved transportation mobility for the region, with bus/carpool lanes in both directions and a cross-lake bicycle-pedestrian path. All 31 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. In Seattle wird derzeit die längste schwimmende Brücke der Welt gebaut – ein technisches und logistisches Meisterwerk. A new floating bridge was opened over Lake Washington in the US on Saturday, becoming the longest of its kind in the world. Schwimmende Brücken, ohne Fundament und Brückenpfeiler gehören auch für erfahrene Brückenbauer zu den Exoten. Norway’s ambitious, and to be honest, awe inspiring E39 Coastal Highway project would, by anyone’s definition, be considered in the latter category. Allein in der Microsoft-Zentrale in Redmond, östlich des Lake Washington, arbeiten fast 100.000 Menschen. There are construction projects, and then there are mega construction projects. Date published November 13, 2018 The process of designing and constructing a new five-kilometre floating bridge has begun. 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). Due to open in Spring 2016, the new SR 520 floating bridge is over 39m longer than the original bridge and it will carry six lanes of traffic as well as pedestrians and cyclists on a 4.26m-wide footpath. Built to replace the 1963 bridge of the same name. The world's longest floating bridge was upstaged in April 2016 when the brand-new State Route 520 Floating Bridge replaced it. The world's longest floating bridge in Seattle, Washington is one of the most impressive bridge engineering projects on the globe and it is an impressive example of the health of the bridge replacement industry. Exploring possible designs for the world’s longest floating bridge Aas-Jakobsen, COWI and Multiconsult/Johs Holt will help the Norwegian Public Roads Administration to find the best possible design for the bridge on the E39 across Bjørnafjorden in the county of Hordaland. The deck of the bridge will be at 72m high and have a total width of 45m and a maximum thickness of 3.5m. The world's longest floating bridge is now under construction in Seattle – a masterpiece of engineering and logistics. Terms of Use and Privacy Statement, http://www.worldhighways.com/sections/key-projects/features/new-version-of-worlds-longest-floating-bridge/. Situated just south of the towns of Lapseki and Gelibolu, the bridge will span the Dardanelles strait, about 10 km south of the Sea of Marmara. "When it's completed, it will be the longest floating bridge in the world", says Xu Xiang, who is a member of the NPRA project team. It was the longest floating bridge in the world until 2016. Over the weekend, April 2-3, thousands of people turned out to commemorate SR 520’s completion and take part in a weekend full of celebratory activities— including its induction… The new bridge opened to traffic on April 25, 2016, and is the longest floating span of highway in the world, at 7,708 feet. The new structure will rely on 77 concrete pontoons, compared to 33 for the original bridge. The article discusses how the new floating bridge is also designed to accommodate light rail if the region chooses to fund it in the future. As of 12 February 2016, the longest floating bridge is 2,349.55 m (7,708.49 ft) and was achieved by the Washington State Department of Transportation in Seattle, Washington, USA. The Bang Na Expressway in Thailand is the world's seventh longest bridge, with a total length of 54,000 meters. The new bridge provides improved transportation mobility for the region, with bus/carpool lanes in both directions and a cross-lake bicycle-pedestrian path. Chinese President Xi Jinping has officially opened the world's longest sea crossing bridge, nine years after construction first began. Even for experienced bridge builders, floating bridges without foundations or bridge piers are extremely rare. In the predawn hours of April 25, 2016, a few early-bird commuters made history when the new SR 520 floating bridge greeted their vehicles and opened to traffic for the first time. On the eastern side of the lake, beneath the approach bridge that connects the floating structure to land, a three-story brick building sits in the shadows, facing west toward Seattle. The Evergreen Point Floating Bridge is about 4,750 meters long, and its 2,310 meters floating section is the longest floating bridge in the world. The world’s longest floating bridge has opened in Washington State in northwest America. Bislang konnte die alte Brücke den heftigen Stürmen, den Wellen und dem letzten starken Erdbeben im Jahr 2001 standhalten. Spans 7,710 feet (2,350 m). The bridge does not cross a body of water but instead is an elevated section of the National Highway. Dissing+Weitling Designs the World’s Longest Floating Bridge. The project to find the most effective solution to the planned floating bridge is being carried out on behalf of the Norwegian Public Roads Administration, Western Region, and involves developing and documenting four defined bridge options. Innovative and Ground-Breaking. The big question, however, is the price tag on the project, which will also require building of new tunnels in the area. Happy 1st birthday to the world’s longest floating bridge By Ashley Selvey. Die längste schwimmende Brücke der Welt In Seattle wird derzeit die längste schwimmende Brücke der Welt gebaut – ein technisches und logistisches Meisterwerk. 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. 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. Competitive bidding is set to open in 2022 for Bjørnafjorden, and assuming a few years for construction we will likely have a new world record holder before this next decade is out. Three laser sensors were placed on shore, with light beams directed towards the sea. SR 520 Albert D. Rosellini Evergreen Point Floating Bridge (2016 bridge) Completed 2016. The length of main span is the most common method of comparing the sizes of suspension bridges, often correlating with the height of the towers and the engineering complexity involved in designing and constructing the bridge. 3 faves Munich Re ist mit viel Expertise auf der Versicherungsseite dabei. Unsere Ingenieure entwickeln Lösungen für ambitionierte Engineering-Großprojekte. The world's longest floating bridge in Seattle, Washington is one of the most impressive bridge engineering projects on the globe and it is an impressive example of the health of the bridge replacement industry. Order URL: This article was published on with the title: "New Version of World’s Longest Floating Bridge. The Washington State Department of Transportation (WSDOT) has achieved the Guinness World Records title for the Longest floating bridge.The Evergreen Point Floating Bridge measures 2,349.55 m (7,708.49 ft) and connects Seattle to Bellevue, both cities in Washington State, USA. United States (Seattle) When. Prior to 2010, it was the longest bridge in the world. 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. Munich Re ist mit viel Expertise auf der Versicherungsseite dabei. Zehn Jahre später war es so weit: Seit Oktober 2011 wird im Auftrag des Bundesstaats Washington direkt neben der „Governor Albert D. Rosellini Bridge – Evergreen Point‟ eine neue schwimmende Brücke gebaut. the length of suspended roadway between the bridge's towers). Traffic can wait for hours whilst the drawbridge section opens for boat traffic. /etc/designs/munichre/mrwebsites/topics-online/current/css/fix.aem-editor.css. The bridge is one of seven proposed crossings in the NPRA project ‘Ferjefri E39’, which, in addition to crossing Bjørnafjord, will also span Halsafjord and Sulafjord. Planning is well underway for the new E39 highway between Kristiansand in southernmost Norway, and the city of Trondheim in Mid-Norway. It serves as a connection between the city of Kobe and Awaji Island, going over the famous Akashi Strait. Also known as the Pearl Bridge, is located in Japan and its construction was finished around 1998. While undergoing reconstruction in 1990, an 850-m-long section of the bridge sank when a … Dec 2, 2016 - Demerara Harbour Bridge, Guyana, worlds longest floating bridge Longest floating bridge. The schedule is published in advance, so if you are in a hurry check the scheduled delays. Ask Samouel B about Demerara Harbour Bridge. At one and a half miles long, it's 130 feet longer than it's predecessor. 8. The planned 5-km floating bridge will be the longest in the world. With 1991 meters—6,523 feet—of unsupported span, the bridge is the longest suspension bridge or unsupported span on a bridge in the Earth. 7 min read . The world's longest suspension bridges are listed according to the length of their main span (i.e. Bridge section of Hong Kong–Zhuhai–Macau Bridge Guinness: Longest bridge over water … The Lacey V. Murrow Memorial Bridge is one of the Interstate 90 floating bridges that carries the eastbound lanes of Interstate 90 across Lake … 12 February 2016. by Kurt Schlosser on March 30, … On a clear Saturday overlooking Lake Washington, Governor Jay Inslee officially opened State Route 520 – the world’s newest and longest floating bridge - to the public. At 7,710 feet, 2,350 meters, the new State Route 520 floating bridge across Lake Washington, is world’s longest.. At more than 7,580 feet long, Seattle's Governor Albert D. Rosellini Bridge is already the world's longest floating bridge. Specific examples of how the project is increasing connectivity include building landscaped lids that connect communities situated to the north and south of the corridor in Seattle and on the Eastside. World's longest and widest floating bridge. Evergreen Point Bridge, Seattle. World's Longest Floating Bridge, SR 520, Seattle to Bellevue. The bridge will be held up by steel rods attached to the tower being built on large floating structures that are anchored to the seabed. However, for the most part it is a viaduct built above land. It took just over four years to build the new bridge, and over 12,000 people celebrated the grand opening and the presentation of a Guinness World Records certificate. The Bang Na Expressway in Thailand is the world's seventh longest bridge, with a total length of 54,000 meters. The new bridge opened to traffic one year prior and ranks as the longest floating span of highway in the world at 7,708 feet. media caption Flying over the world's longest sea bridge. Aas-Jakobsen, COWI and Multiconsult with Johs. https://www.enr.com/articles/44013-the-10-longest-floating-bridges-in-the-world Aas-Jakobsen, COWI and Multiconsult with Johs. 100 Comments. Building the world’s longest floating bridge on the E39. A $20-billion bridge connecting Hong Kong and Macau to the mainland Chinese city of Zhuhai is set to finally open this week, marking the completion of the longest sea-crossing bridge … January 3, 2020. by Nick Rodda. The new bridge opened to traffic one year prior and ranks as the longest floating span of highway in the world at 7,708 feet. Über eine Länge von 2,3 Kilometern donnern heute täglich bis zu 115.000 Fahrzeuge über die Brücke, die ursprünglich für eine maximale Auslastung von 65.000 Fahrzeugen konzipiert war. At … The National Academies of Sciences, Engineering, and Medicine, Copyright © 2021 National Academy of Sciences. And smarter. The big question, however, is the price tag on the project, which will also require building of new tunnels in the area. Our design of the world’s longest floating bridge contains a lot of new technical breakthroughs and exciting challenges ­– the bridge’s static function alone is challenging and presents us with technical as well as aesthetic opportunities. Waves of 10–15 feet (3.0–4.6 m) battered the sides of the bridge, and within a few hours the western 3 … 4,676 views. As of 12 February 2016, the longest floating bridge is 2,349.55 m (7,708.49 ft) and was achieved by the Washington State Department of Transportation in Seattle, Washington, USA. The world's longest floating bridge, a 230,000-ton ribbon of concrete spanning Lake Washington, is getting longer. Even for experienced bridge builders, floating bridges without foundations or piers are extremely challenging. All Rights Reserved. Nördlich von Istanbul entsteht die dritte überirdische Querung des Bosporus. This work will be done in parallel with another independent project group. At water level it's kind of unnerving to see ships and boats coming right at you. Die Munich Re Engineering-Experten – viele davon Ingenieure mit viel technischer Projekterfahrung von den Baustellen weltweiter Großprojekte – stellten sich der Herausforderung und entwickelten eine Rückversicherungslösung, die auf die komplexen Risiken der verschiedenen Gewerke maßgeschneidert eingeht. 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. At 1.46 miles (2.35km), the replacement Evergreen Point Floating Bridge is the longest and widest floating bridge in the world. Inside the world’s longest floating bridge: How engineers made Seattle’s new Lake Washington span bigger, better and safer. The longest floating bridge in the world. The longest floating bridge in the world. Sitting atop Lake Washington, the new State Route 520 is now the longest floating bridge in the world—beating its predecessor, the old State Route 520, by 130 feet, the Associated Press reports. The Washington State Department of Transportation (WSDOT) has achieved the Guinness World Records title for the Longest floating bridge.The Evergreen Point Floating Bridge measures 2,349.55 m (7,708.49 ft) and connects Seattle to Bellevue, both cities in Washington State, USA.