Dubu Bridge Number 2

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Dubu Bridge Number 2
杜步大桥二号桥
Yangshan, Guangdong, China
(328) feet high / (100) meters high
328 foot span / 100 meter span
2009


Dubu Bridge #2 is a seven span prestressed beam bridge with a maximum span length of 328 feet (100 mtrs) that curves along the slope of a mountain. Maximum pier height is 302 feet (92 mtrs). The bridge is the second of three tall viaducts on route G107. Nearby Dubu Bridge #1 is even larger with a maximum span length of 410 feet (125 mtrs) and a pier height of 361 feet (110 mtrs) while Dubu #3 has piers as tall as 266 feet (81 mtrs). A long tunnel separates Dubu 1 and 2.


All three of these 2-lane bridges are part of an upgrade to the older route G107 that makes a steep descent into the river valley. The southbound lanes use the older route to climb out of the valley while the northbound lanes cross the 3 large beam bridges as the road descends north into the river valley on a shallower grade.You can see a bit of the first bridge and more of the second during the first two minutes of this video that was taken by a passing bus passenger: http://www.tudou.com/programs/view/LESdFORTExI/

The bridges are located about 8 miles (13 kms) and 10 miles (16 kms) south of Yangshan.


杜步大桥二号桥是一个7跨预应力连续梁桥,该桥绕山而建,最大跨径100米。最高桥墩92米。附近的杜步大桥一号桥规模更大——最大跨径125米、最高桥墩110米。一条长隧道把两座桥梁分离开来。您可以在下面的视频开头部分看到第一座桥的一部分和第二座桥的更多部分。 http://www.tudou.com/programs/view/LESdFORTExI/







Image by 明表哥.


Image by 明表哥.


Satellite image of Dubu Bridge Number 2. Construction was underway on the piers in this view from around 2007.


The under construction northbound route of the newer G107 can be faintly seen to the right of the older G107 road.


Location map of the three Dubu Bridges.


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