Bai Chay Bridge, Cable-stayed bridge in Ha Long City, Vietnam
Bai Chay Bridge is a cable-stayed structure crossing Cua Luc Strait to connect Hong Gai and Bai Chay districts. Two towers support the main span made of pre-stressed concrete, with four traffic lanes and two pedestrian paths running across.
Construction began in 2003 and was completed in 2006, marking a turning point in Vietnamese engineering. The completion created the first direct overland connection between the two districts across the strait.
Local residents call the bridge a guitar because of how its cables are arranged, and when you look at it from certain angles, the main span resembles a silk ribbon stretching across the water.
The bridge is open to both vehicles and pedestrians with separate paths for each. Its height allows boats and ships to pass underneath, so traffic flows smoothly without interruption from water traffic.
The construction uses exceptionally wide pre-stressed concrete beams that set records at the time of completion. The innovative foundation technology was introduced to Vietnam for the first time through this project.
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