World’s longest sea bridge is Hong-Kong–Zhuhai–Macau Bridge

Hong-Kong–Zhuhai–Macau Bridge

Chinese President Xi Jinping has officially opened the world’s longest sea crossing bridge, nine years after construction first began.

Total length 55 km/-

Including six lanes

Opened 24 October 2018

Facts about Hong-Kong–Zhuhai–Macau Bridge

Designed to withstand earthquakes and typhoons

it was built using 400,000 tonnes of steel

About 30km of its total length crosses the sea of the Pearl River delta.


The Hong Kong–Zhuhai–Macau Bridge (HKZMB or HZMB) is a bridge–tunnel system, which consists 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 and Macau) will be RMB¥15.73 billion, among which the government of the Hong Kong will contribute RMB¥6.75 billion. It is among the longest fixed-links in the world and is a major landmark in the area.

Full view of Bridge

Author: Deepak Chahar

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