The longest Bridge in China

The Hong Kong–Zhuhai–Macau Bridge (HZMB), alternatively and officially spelled Hong Kong–Zhuhai–Macao Bridge, is a bridge–tunnel system consisting of a series of three cable-stayed bridges and one undersea tunnel, as well as two artificial islands. It spans the Lingdingyang channel, which connects Hong Kong with Macau and Zhuhai, three major cities on the Pearl River Delta. For the construction cost of the HZMB Main Bridge, the total contribution of the three places (Hong Kong, mainland China and Macau) will be RMB¥15.73 billion, among which the government of the Hong Kong will contribute RMB¥6.75 billion.[6] It became the longest bridge over water in the world, toppling the Jiaozhou Bay Bridge (which is also located in China).
Originally set to be opened to traffic in October 2016

Construction on the Chinese side began on 15 December 2009.]Then-Vice Premier of China Li Keqiang held a commencement ceremony. Construction of the Hong Kong section of the project began in December 2011 after a delay caused by a legal challenge regarding the environmental impact of the bridge.

Worker deaths and injuries. The number of deaths and injuries that have taken place on the project has come under scrutiny in Hong Kong. There have been ten deaths on the Hong Kong portion of the construction project, and somewhere between 234 and 600 injuries, depending on the source.

china Completes World's Longest Bridge – More than 26 Miles! The Qingdao Trans-Oceanic Bridge is 26.4 miles long, cost around $9 billion, and took more than five years to finish.