Jin'an Bridge

The Jin'an Bridge is a suspension bridge currently near Lijiang, Yunnan, China. At 461 m (1,512 ft), it is the the fourth highest bridge in the world. The bridge will form part of the G4216 Chengdu–Lijiang Expressway carrying traffic over the Jinsha River. The bridge construction began in 2016, the structure closed in January 2020[3] and it opened for traffic on 31 December 2020.[4] The main span of the bridge will be 1,386 m (4,547 ft) making it one of the longest ever built.[5]

Jin'an Bridge

金安金沙江特大桥
Coordinates26°49′20″N 100°26′30″E
CarriesG4216 Chengdu–Lijiang Expressway
CrossesJinsha River
LocaleLijiang, Yunnan, China
Characteristics
DesignSuspension
MaterialSteel
Total length1,681 m (5,515 ft)[1]
Longest span1,386 m (4,547 ft)[2]
Clearance above461 m (1,512 ft)
History
Construction start2016
Opened31 December 2020
Location

The bridge crosses the river 1.4km upstream from the Jin'anqiao Dam. Due to the formation of the reservoir behind the dam, the full clearance to the original river level will not be visible.

G4216 Chengdu–Lijiang Expressway

Original design

The original design of the expressway crossed the Jinsha River 30 km (30,000 m) 20km downstream at the village of Taku. The Taku Bridge was also a suspension bridge design. The original design was slightly higher crossing 512 m (1,680 ft) above the river and slightly shorter with a main span of the bridge 1,190 m (3,900 ft)

See also

References
  1. http://www.ynglsj.com/news/1483476701773.html
  2. http://www.ynglsj.com/news/1483476701773.html
  3. "云南香丽高速公路虎跳峡金沙江特大桥合龙_图片新闻_中国政府网". www.gov.cn. Retrieved 2021-01-05.
  4. "惠及百万群众，创多个世界之最，这段高速公路提前一年通车！_国内新闻_新闻中心_沈阳网". news.syd.com.cn. Retrieved 2021-01-05.
  5. 国资委网站 (2020-01-16). "世界最大跨径山区悬索桥金安金沙江大桥合龙". news.sina.com.cn. Retrieved 2021-01-05.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.