Aizhai Bridge

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Aizhai Bridge
Aizhai Bridge-1.jpg
Aizhai Bridge under construction in August 2011
Coordinates 28°19′52″N 109°35′51″E / 28.331°N 109.5974°E / 28.331; 109.5974Coordinates: 28°19′52″N 109°35′51″E / 28.331°N 109.5974°E / 28.331; 109.5974
Carries 4 lanes of China Expwy G65 sign no name.svgG65 Baotou–Maoming Expressway
Crosses Dehang Grand Canyon (德夯大峡谷)
Locale Jishou
Design Suspension bridge
Total length 1,534 m (5,033 ft)
Width 24.5 m (80 ft)[1]
Longest span 1,176 m (3,858 ft)[1]
Clearance below 336 m (1,102 ft)
Construction begin October 2007
Construction end December 2011
Opened 31 March 2012
Aizhai Bridge is located in Hunan
Aizhai Bridge
Aizhai Bridge
Location in Hunan

The Aizhai Bridge (Chinese: 矮寨大桥) is a suspension bridge on the G65 Baotou–Maoming Expressway near Jishou, Hunan, China. The bridge was built as part of an expressway from southwest China's Chongqing Municipality to Changsha.[2]

With a main span of 1,146 metres (3,760 ft) and a deck height of 336 metres (1,102 ft),[3] as of 2013, it is the seventh-highest bridge in the world and the world's fifteenth-longest suspension bridge. Of the world's 400 or so highest bridges, none has a main span as long as Aizhai.[4] It is also the world's highest and longest tunnel-to-tunnel bridge.[5] The bridge contains 1888 lights to increase visibility at night.[6]

Construction on the Aizhai Bridge began in October 2007 and was completed by the end of 2011, ahead of schedule.[7][8] The bridge was temporarily opened to pedestrians during the 2012 Spring Festival[8] and was formally opened to traffic in March 2012.[9]

The bridge was built with the assistance of a $208 million loan from the Asian Development Bank; the total project cost was $610 million, which included 64 kilometres (40 mi) of expressway construction (two thirds of which comprised bridge and tunnel) and upgrades to 129 kilometres (80 mi) of local roads.[10] The bridge and the associated road construction were projected to reduce the travel time between Jishou and Chadong from 4 hours to less than 1 hour.[10][11]

In September 2012, the Aizhai Bridge was the site of an international BASE jumping festival that included more than 40 jumpers from 13 countries.[12][13][14]

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