Nanmengxi Bridge

Nanmengxi Bridge
南孟溪大桥
Jinping, Guizhou, China
436 feet high / 133 meters high
394 foot span / 120 meter span
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Nanmengxi bridge is a tall prestressed concrete beam bridge 436 feet (133 mtrs) high. The bridge is located in the reservoir region of Sanbanxi Hyroelectric power station. The bridge spans over the Nanmengxi River with a total length of 271 mtrs comprised of a three span continues concrete rigid-frame configuration of (75+120+75 mtrs). The beam is 7.5 mtrs high at the main pier and 2.8 mtrs at the mid-span with a single cell box girder of which the width is 8.1 mtrs at the top and 4.1 mtrs at the bottom.

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Nanmengxi Bridge Bridge Elevation

南孟溪大桥是一座133米高的预应力混凝土梁桥，位于贵州三板溪水电站库区，为跨越南孟溪河的一座特大桥梁，桥梁全长271m，其中主桥为三跨预应力混凝土变截面连续刚构，跨径组合为(75+120+75)m。主墩柱处梁高7.5m，合拢段梁高2.8m。采用单箱单室箱梁,箱梁全宽8.1m，底宽4.1m。