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| id = | design = Suspension | epc contract = IHI Corporation | engineering = COWI A/S | contractor = IHI Corporation | material = steel, foundation structures: concrete | mainspan = 〔 | length = 〔 | height = (pylons)〔 | width = 〔 | clearance = x | below = | traffic = approx. 35,000 vehicles per week | begin = 2013 | complete = 2016 | closed = | toll = $35〔 | latd = 40|latm = 45|lats = 18|latNS = N |longd = 29|longm = 31|longs = 0|longEW = E |coordinates_display = title | map_type = Turkey }} The Izmit Bay Bridge ((トルコ語:İzmit Körfez Köprüsü)) is a suspension bridge under construction, located at the Gulf of İzmit along the eastern end of the Sea of Marmara, in close vicinity of Izmit and approximately southeast of Istanbul, Turkey. When completed, it will be the fourth-longest suspension bridge in the world by the length of its central span. ==Project== Construction and operation of the bridge was awarded to a joint venture formed by five Turkish companies (Nurol, Özaltın, Makyol, Yüksel and Gocay) and one Italian construction company Astaldi following the international Build–operate–transfer tender that took place in April 2009.〔〔 , the contract was signed for the project that is estimated to cost 11 billion for the entire highway from Gebze to Bursa. After the completion of the bridge, the distance between Istanbul and İzmir will shorten about bypassing the long-stretched Gulf of İzmit. The projected highway of length with the bridge will reduce the travel time between the two major cities from six-and-half hours to three-and-half hours. The construction is expected to be completed in 2017.〔〔 On March 30, 2013, Prime minister Recep Tayyip Erdoğan laid the groundstone for the bridge.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「İzmit Bay Bridge」の詳細全文を読む スポンサード リンク
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