Tuotuo River Bridge in Tanggula Mountain Town, Golmud City is located on Tuotuo 109 National Road, which is 97 kilometers away from Xining1/KLOC-0. It is the earliest and longest large-scale reinforced concrete bridge built in Tanggula mountain area, and has the reputation of "the first bridge in the upper reaches of the Yangtze River". The bridge site is more than 4700 meters above sea level, which is one of the highest bridges in the world today. 1958 was undertaken by the Fifth Engineering Bureau of the General Administration of Highways of the Ministry of Communications. It is a 24-hole reinforced concrete bent pile T-beam assembled bridge,11.36m, with a total length of 273.56m. The clear width of two lanes is 7.0m, without sidewalks and railings. The design load is steam-13 and the resistance is -60. The whole bridge, such as Changhong, hangs between the snow-capped mountains and canyons, which is quite generous as "the sunny bridge reflects, and the snow-capped mountains fall into the long river".
109 Tuotuo River Bridge, the first highway bridge at the source of the Yangtze River. The first bridge was built at 1958, and a new bridge was rebuilt beside the original upstream bridge at 1987. The length of the bridge is 324m, the width is 1 1 m, and the simply supported reinforced concrete T-beam bridge is 20m long 16. The pier was damaged by frost heaving on the plateau (about 4600 meters above sea level).
Tuotuohe Bridge in Tanggula Mountain Town, Golmud City
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