Humen Bridge spans the Pearl River Estuary and is the first large suspension bridge in China. Its main channel spans 888 meters, ranking first in China and known as "the first span in the world".
Humen Bridge 1993 started, and 1997 was completed and opened to traffic on the eve of Hong Kong's reunification. [1] The total investment of this bridge is nearly 3 billion yuan, and all suspension bridges are welded with steel boxes, sharing more than 20,000 tons of steel. The main cable length of the bridge is 16.4km, and each main cable consists of 13970 galvanized high-strength steel wires with a diameter of 5.2mm. If the steel wires of the two main cables are drawn into a steel rope, it is enough to circle the earth. A bridge belonging to Guanfo Expressway.
Humen Bridge is one of the top ten landmarks in Guangdong, starting from Humen Weiyuan in the east, connecting Nansha in the west, crossing the Pearl River Estuary, with a total length of 15.78 km, connecting the east and west wings of Guangdong. "Humen Bridge" was inscribed by President Jiang Zemin.
Humen Bridge project is an important transportation hub connecting the east and west banks of the Pearl River and the east and west wings of Guangdong Province, and it is the throat connecting Shenzhen, Zhuhai, Hong Kong and Macao. Its completion can make the traffic from Dongguan, Shenzhen and eastern Guangdong to Zhuhai, Zhongshan, Jiangmen and western Guangdong unnecessary to detour, and the mileage can be shortened by more than 120 km, which is of great significance to the economic development of Guangdong Province and the take-off of the Pearl River Delta.
References:
Humen bridge _ Baidu encyclopedia