What is the length of the world’s longest sea bridge “Hong Kong–Zhuhai–Macau Bridge”?

The Hong Kong–Zhuhai–Macau Bridge (HZMB) is the world’s longest sea bridge, with a total length of 55 kilometers (34 miles). Opened on October 24, 2018, it connects Hong Kong, Macau, and Zhuhai across the Pearl River Delta in China.

The HZMB is a remarkable feat of engineering that includes three cable-stayed bridges, four artificial islands, and a 6.7 km undersea tunnel. This unique combination allows uninterrupted shipping routes while ensuring smooth road connectivity between the cities.

Key Facts about the HZMB:

• Total Length: 55 km (34 miles)


• Opened: October 24, 2018


• Structure: Bridges, artificial islands, and undersea tunnel


• Purpose: Improve trade, tourism, and regional connectivity


• Location: Pearl River Delta, China

This bridge is considered a mega-infrastructure landmark, showcasing China’s engineering capabilities and strengthening the Greater Bay Area as a global center of commerce and innovation.