By the end of the year, the bridge will be open to traffic, said Zhu Yongling, director of the bridge management bureau.
Construction began in December of 2009 at Zhuhai. The Y-shaped bridge connects Lantau Island in Hong Kong with Zhuhai and Macao.
Tan Guoshun, an expert in bridge construction who has participated in many big projects, told Xinhua that breakthroughs were made in construction management, technique, safety and environmental protection.
For instance, the bridge is designed to be used for 120 years. "Anticorrosion and quake-proof measures were improved so as to make the goal possible," he said.
The bridge was pieced together with different parts built in different locations like building blocks. "The progress of China's equipment manufacturing industry made this construction method possible," said Zhong Huihong, deputy chief engineer of the bridge management bureau.
Take the floating crane as an example. In the 1990s, China's floating cranes could only handle about one hundred tonnes. "Now their capacity has reached 10,000 tonnes," Zhong said.
"Some foreigners believe that completion of the bridge marks a leap forward of China's construction industry," said Su Quanke, chief engineer of the bridge management bureau.
The bridge will cut land travel time between Hong Kong and Zhuhai from three hours on the road to a 30-minute drive.
"As economic exchanges between Hong Kong, Macao and Zhuhai deepen, an urban agglomeration has formed. The bridge will further boost the interconnection," said Zheng Tianxiang, vice president of the Asia-Pacific Innovation Economic Research Institute.
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