Tuesday, June 30, 2009
Hong Kong's Tsing Ma Bridge
Hong Kong's Tsing Ma Bridge has vehicle lanes on top and trains running on the covered deck below.
3rd World Largest Cantilever Bridge, Calcutta
Calcutta boasts the third largest cantilever bridge in the world. Its real importance, however, lies in the fact that it serves as Calcutta's gateway to the wese, being the city's only bridge spanning the Hooghly. Taking 7 years to build, it cost $10,000,000. It towers 310 feet as the city's highest structure, is 2,150 feet long with a center span of 1,500 feet. It was completed in 1942, opened in February, 1943.
China opens one of world's largest bridges
BEIJING -- China Thursday inaugurated one of the world's longest bridges, which will provide an important new route into Shanghai, Chinese media said.
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Presented as the "world's longest sea bridge", the 36-kilometre (22-mile) structure connects Jiaxing city near Shanghai to the port city of Ningbo in the eastern province of Zhejiang.
It is slightly shorter than the 38.4-kilometre Lake Pontchartrain Causeway Bridge in the southern United States, which is often billed as the world's longest.
The 11.8 billion yuan (US$1.7 billion) bridge cuts the length of the road trip from Shanghai to Ningbo by 120 kilometres, the official Xinhua news agency said.
Construction of the six-lane bridge started in November 2003 in an effort to reduce traffic congestion in the booming area, Xinhua said.
Hundreds of people attended an opening ceremony on Thursday afternoon, it said.
The bridge was opened to traffic on a trial basis at 11.58 pm (1658 GMT), Xinhua said. However, officials did not know how long the trial would last, it added.
Golden Gate, San Francisco, U.S.
Year completed: 1937
Span: 1,280 meters (4,200 feet)
The Golden Gate Bridge, which achieved longest-span fame seven decades ago, still holds up as one of the world’s 10 largest. As the gateway to west coast cities San Francisco and Oakland, the bridge is still noted as one of themost picturesque in the world.
world Largest top bridges
Verrazano-Narrows, New York City, U.S.
Year completed: 1964
Span: 1,298 meters (4,260 feet)
The majestic Verrazano-Narrows Bridge spans the opening to New York’s harbor, connecting Staten Island to Brooklyn. It’s the main thoroughfare for truckers leaving New York to carry goods to New Jersey and down the East Coast. The Verrazano held the top spot for 17 years, until the Humber Bridge was completed in the U.K. in 1981.
Tsing Ma, Hong Kong, China
Year completed: 1997
Span: 1,377 meters (4,518 feet)
The Tsing Ma Bridge was named after Hong Kong Islands Tsing Yi and Ma Wan. Its main claim to fame is carrying the longest span of rail traffic in the world. The bridge also has five lanes for trucks and cars, two of which are reserved for emergencies.
World Largest Bridges
Runyang South, China
Year completed: 2005
Span: 1,490 meters (4,888 feet)
The central structure of a wider bridge and road complex, the Runyang South Bridge crosses the Yangtze River in Jiangsu Province. It was completed in just five years, half the time that it took to build Japan’s Akashi-Kaikyo.
World largest bridges
Great Belt, Korsor, Denmark
Year completed: 1998
Span: 1,624 meters (5,328 feet)
After 100 years, ferry service between the islands of Zealand and Funen were finally rendered obsolete in 1998. The largest construction project in Denmark’s history, the Great Belt has reduced an arduous ferry journey to a 10-minute drive.
World’s 10 Largest Bridges?
Akashi-Kaikyo, Kobe-Naruto, Japan
Year completed: 1998
Span: 1,991 meters (6,529 feet)
The king of suspension bridges is more than a thousand meters (or 23%) longer than runner-up Great Belt Bridge of Denmark. The bridge replaced ferries that traveled between Kobe and Iwaya. The width of Akashi Strait, an international shipping lane, made it necessary for the Akashi-Kaikyo be at least 1,500 meters wide.
World's Largest Arch Bridge in Dubai by 2012
It’s always the ‘largest’ or the ‘tallest’ or the ‘most expensive’ kinds of terms only that can epitomize the construction coming up in Dubai. The latest on the list is the World's largest Arch Bridge. The mile-long bridge will be 670 feet tall at its highest point! And it’s gonna encompass 12 lanes of traffic with a metro line running down the center. Estimated to be able to carry over 2,000 vehicles per hour in each direction, this bridge will be built at a whopping cost of 817 million dollars!
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