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兰州市东岗立交桥是跨越陇海和包兰两铁路线的城市道路立体交叉桥。过去在该处的兰(州)西(安)公路和铁路东是平交的,由于铁路和公路交通频繁,经常发生车祸和堵塞事故。所以该立交的建成将对改善兰州东大门的道路交通运输条件、美化环境、造富人民都具有不可估量的意义。东岗立交工程包括主桥、引桥、引道(含高档墙)全长1.95公里。主桥14跨,每跨跨径30
Lanzhou Donggang overpass is a long span of Longhai and Bao Lan two railway lines of the urban road three-dimensional cross-bridge. The West (Ann) Highway on the Lanzhou (West) and the Railway East that used to be the site of the railway junction were cross-linked. Traffic accidents and traffic congestion often occurred due to frequent rail and road traffic. Therefore, the completion of the overpass will have an immeasurable significance in improving the road traffic conditions, beautifying the environment and making the people rich in the east gate of Lanzhou. Donggang Interchange Project includes the main bridge, approach bridge, approach Road (including high-grade wall) a total length of 1.95 km. The main bridge 14 span, each span span 30