Tsing Ma Bridge

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The Tsing Ma Bridge is a bridge in Hong Kong. It is the world's seventh-longest span suspension bridge, and was the second longest at time of completion. The bridge was named after two of the islands at its ends, namely Tsing Yi and Ma Wan . It has two decks and carries both road and rail traffic, which also makes it the largest suspension bridge of this type. The bridge has a main span of 1,377 metres (4,518 ft) and a height of 206 metres (676 ft). The span is the largest of all bridges in the world carrying rail traffic.

The 41 metres (135 ft) wide bridge deck carries six lanes of automobile traffic, with three lanes in each direction. The lower level contains two rail tracks. There are also two sheltered carriageways on the lower deck for maintenance access and as backup for traffic when particularly severe typhoons strike Hong Kong. Though road traffic would need to be closed in that case, trains could still get through in either direction.

Contents

History

Construction of the bridge was carried out by a Costain / Mitsui / Trafalgar House joint venture[1]. Construction work of the bridge began in May 1992 and ended in May 1997. It cost HK$7.2 billion. The Lantau Link, of which the bridge is an integral part, was opened on April 27, 1997. The ceremony was inaugurated by the former British Prime Minister Margaret Thatcher.

Operation

The Tsing Ma Bridge links Tsing Yi island on the east to Ma Wan island on the west over Ma Wan Channel. It is part of the Lantau Link, which, with two long span bridges links the New Territories and Lantau Island, and eventually leads to the Hong Kong International Airport on Chek Lap Kok via North Lantau Highway. The other bridge is the Kap Shui Mun Bridge linking Ma Wan to Lantau Island over Kap Shui Mun. The two bridges are connected over Ma Wan by Ma Wan Viaduct.

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