'According to the official Xinhua news agency, the Yangmingtan Bridge was the sixth major bridge in China to collapse since July 2011. Chinese officials have tended to blame overloaded trucks for the collapses, and did so again on Friday. In the United States, bridges are built with very large safety margins in case heavy loads cross them.
Many in China have attributed the recent spate of bridge collapses to corruption, and online reaction to the latest collapse was scathing.
"Corrupt officials who do not die just continue to cause disaster after disaster," said one post on Friday on Sina Weibo, a Chinese microblogging service similar to Twitter…
Questions about the materials used during the construction and whether the projects were properly engineered have been the subject of national debate ever since a high-speed train plowed into the back of a stopped train on the same track on July 23 last year in the eastern city of Wenzhou. The crash killed 40 people and injured 191; a subsequent investigation blamed in particular flaws in the design of the signaling equipment.'