Bridges are brittle:

The Third Qianjiang Bridge in Hangzhou, Zhejiang suddenly collapsed,

The Tongyu River Bridge in Yancheng, Jiangsu collapsed instantly,

The Wuyishan Gongguan Bridge in Fujian collapsed

The Wuhan Baishazhou Yangtze River Bridge with an investment of 1.1 billion yuan was completed and opened to traffic in 2000. From September 2010 to September 2010, it had been repaired and "facelifted" 24 times in ten years, with an average of less than 1 It needs to be repaired twice a year, and it falls into the vicious cycle of "repairing again and again, repairing and repairing again and again".

The Information Office of the Zhejiang Shangyu Municipal Government issued a news release on the morning of the 21st, saying: At around 2:20 a.m. that day, an incident occurred on the 7K+966 Chunhui Interchange on the Nanchun Line of Shangyu City County Road from Shaoxing to Ningbo and Taizhou. The collapse accident had a total length of 120 meters, a maximum drop of 7 meters, and a minimum drop of 2.8 meters. At the scene, it was found that 4 trucks had rolled over on the ramp, and 3 people were slightly injured in the accident.

It is noteworthy that this bridge was completed and opened to traffic in 2005.

The bridge is strong:

●Zhaozhou Bridge? Built during the Daye Period of the Sui Dynasty, 1,400 years ago?

●Tuojiang Bridge in Jianyang, Sichuan? The bridge is 41 years old (The 2008 Wenchuan earthquake damaged the bridge into danger, and it was demolished after difficult blasting.

On April 27, 2011, the rebuilt Jianyang Tuojiang First Bridge and Dongxi Avenue were successfully opened to traffic)?

●Qiantang River Bridge? The bridge is 74 years old (it was actively closed for 11 years due to war)?

●Wuhan Yangtze River Bridge? 54 years old?

●Nanjing Yangtze River Bridge? 43 years old?

●Harbin Songhua River Bridge? 110 years old Year?

●Ling Bridge on the Fenghua River in Ningbo? The bridge is 75 years old (designed by a German company. This company experienced World War II and still preserved the archives of the Ling Bridge. Not long ago, a document was sent to remind the owner to repair it in time. )

●Lanzhou Zhongshan Iron Bridge? The bridge is 102 years old