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The Yuribey Bridge is a railway bridge on the Obskaya–Bovanenkovo Line. It has two main spans of . The bridge was completed in 2009. It is the world’s longest bridge located above the Arctic Circle. The bridge was constructed by Gazprom in a harsh environment including the need to build on permafrost, which required an innovative approach to the construction technique and bridge design. The bridge has to be much longer than the river width, because on permafrost, the water from melting snow does not sink into the ground, so the spring flows get quite strong. ==External links== *Photos can be shown only on Russian Wikipedia, because of Russian law. Click the Русский link on left for a photo. *(Gazprom site ) *(Description of whole line ) 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「Yuribey Bridge」の詳細全文を読む スポンサード リンク
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