Capital Access

Apr 03, 2014 (LBO) - A high tech 45 billion rupee bridge will clear a traffic bottleneck to Sri Lanka's capital Colombo and minimize its impact on the river flow underneath, the Japan International Cooperation Agency said.



The bridge across Sri Lanka's Kelani River will allow a smooth flow of traffic in to the city through new urban arterial road including access to an expressway to the main airport, port and other roads connecting to the rest of the island from the north of the capital.

Financed by JICA it is a project of Sri Lanka's Road Development Authority.

It uses cable stays connected to two towers at the ends to hold up the bridge with no piers in the middle of river.

But unlike a conventional cable-stayed bridge, the design, known as an extradosed bridge uses shorter towers and a thicker deck.
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"Using this design we can avoid putting any piers on the Kelani River," Namal Ralapanawa, senior project specialist at JICA said.

"That was one of the main concerns environmentally.

The river is quite slow at that point and quite prone to floods.



So we wanted to make sure that the bridge will not hinder the water flow.



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