Vietnam's Biggest Concrete Bridge

The 12.8 km, Thanh Tri, Vietnam ’s largest prestressed concrete bridge, was recently opened to traffic. The bridge running through Hanoi Capital with the section crossing the river being nearly 3.1 km in length will help ease traffic congestion in the city, and facilitate socio-economic development of the city and some other northern localities.

The bridge is over 33.1 m in width with six lanes, including four designed for vehicles to run at a speed of 100 km per hour. The bridge project is funded by Japan’s official development assistance and Vietnam’s reciprocal capital. Construction of the Thanh Tri Bridge look four years and was carried out by a joint venture formed by Japanese firms Obayashi Corporation and Sumitomo-Mitsui Construction Corporation, under the supervision of Pacific Consultants International. The project is managed by the Project Management Unit Thang Long under the Ministry of Transport, Vietnam.

For the first time, modern bridge construction techniques such as the special cofferdam and Movable Scaffolding System (MSS) have been introduced to Vietnam benefitting Vietnamese engineers and workers. Other technologies that were used in this project included horizontal Hacking, remedial works for defected piles that included jet grout column and injection grout.

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