Bai Chay Bridge, Cable-stayed bridge in Ha Long City, Vietnam
Bai Chay Bridge is a cable-stayed bridge in Ha Long City, Vietnam, spanning the Cua Luc Strait to link the Hong Gai and Bai Chay districts. Two towers hold up a main span made of prestressed concrete, with four traffic lanes and a pedestrian path on each side.
Work started in 2003 and the bridge opened in 2006, creating the first direct overland link between two districts that had previously been connected only by ferry. It marked a turning point for Vietnamese civil engineering at the time.
Locals sometimes call the bridge a guitar because its cable arrangement, seen from certain angles, recalls the strings of an instrument. From the shore, the main span looks like a ribbon drawn quietly across the water.
Pedestrians and vehicles use separate paths, so crossing on foot is easy and safe. The walk across is short, but it offers a clear view of the bay and the surrounding area.
The construction used prestressed concrete beams that were wider than those of any other bridge project in Vietnam at the time of completion. The foundation technique used here had never been applied in Vietnam before this project.
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