Hong Kong-Zhuhai-Macao Bridge
Hong Kong-Zhuhai-Macao Bridge
Key facts
Location
China, Hong KongDelivery
August 2018
Client
Highways Department of Hong Kong
Enterprise
Dragages Hong Kong, Bouygues Travaux Publics, VSL
A strategic bridge spanning the bay
The Hong Kong–Zhuhai–Macao Bridge is one of Asia’s most iconic infrastructure projects. Stretching 42 kilometers, it forms part of a 55-kilometer highway corridor crossing the Pearl River Estuary. By connecting Hong Kong, Zhuhai, and Macao, it strengthens the economic integration of the Greater Bay Area and facilitates trade between these three major hubs.
Bouygues Travaux Publics, alongside VSL and Dragages Hong Kong, participated in the construction of a 9.4-kilometer viaduct section connecting the International Airport Island to the boundary of Hong Kong’s territorial waters via a 2x3-lane highway spanning deep waters.
Key figures
- 180
- maximum range in meters
- 9.4
- kilometers long
- 5,714
- precast voussoirs
An extraordinary shipyard
The viaduct consists of a 9.4-kilometer-long double deck formed by 5,714 precast segments. The structure achieved the feat of breaking the world record for the longest span built with precast segments: a 180-meter span with a horizontal radius of 513 meters.
This extraordinary project was carried out thanks, in particular, to two launchers (one on land, the other at sea), a 950-ton floating crane, and lifting jacks specially designed for the project. The complete prefabrication of the segments ensured optimal quality and made operations at sea safer. Designed to withstand major seismic events, this engineering structure is, to date, the world’s largest marine bridge and an exceptional benchmark for Bouygues Travaux Publics in Asia.
Gallery
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