Wonders of Engineering: The Longest Bridges in the World
What are the world longest bridges ? Where are the longest bridges in the world found ? Some bridges are used to get from one side of an obstacle, such as a river, lake, or road to the other side. However, there are bridges that can be a part of great decor to your outdoor decor, garden patio decor, outdoor yard decor and so much more. While you are choosing building materials on https://jiji.ng/building-materials for your yard makeover, we will show you the world longest bridges and where the longest bridges in the world are found.
The longest railway bridge: Danyang Kunshan Grand Bridge
Danyang Kunshan Grand Bridge is located in the eastern part of China, between the cities of Nanjing and Shanghai and is a part of the Beijing-Shanghai high-speed railway. In combination, this massive and incredible man-made structure is the longest bridge on the planet that entered the Guinness Book of Records and it covers 164.8 kilometers. We can categorically say that among the world longest bridges, it is the longest. The construction started in 2008 and utilized 2.5 million cubic meters of concrete and 500 thousand tons of steel. After a five-year construction period, in the summer of 2011 the $8.5 billion bridge was finally put into operation.
The longest land bridge: Bang Na Highway
Another of the longest bridges in the world is Bang Na Highway. Although Bang Na does not go over waters, this highway is still considered to be one of the longest road bridge in the world. The highway is located in Bangkok, Thailand and comprises six lanes and is 54 kilometers long. The bridge cost over $1 billion. In fact, this highway is quite difficult to call a full-fledged bridge, rather it is a road elevated above the surface. But such road objects are always called bridge type structures. The construction started in 1995 and completed in 2000. It took 1.8 million cubic metres of concrete to build the road. Bang Na is a toll road. However, there is a free alternative that runs under the highway.
The longest sea-crossing bridge: Hangzhou Bay Bridge
Hangzhou Bay Bridge is one of the world longest bridges. Before the final plan of Hangzhou Bay bridge was approved in 2003, it took couple of years of testing and evaluation. Now this cable-stayed bridge is the longest sea-crossing bridge that covers 36 kilometers and links Ningbo’s Cixi county in the south to Jiaxing in the north. It is famous for its S-shape and has a service centre built on a platform resting on piers. The 10,000-square-metres service centre called Land between the Sea and the Sky and includes shopping, parking, restaurant facilities, along with a hotel and a 145.6 metre high observation deck. The bridge was opened to public on May 1, 2008. The total project cost is $1.42 billion.