Back March I made a list of 10 of the most beautiful bridges in the world. Now, I’ve decided I should return to my long lasting passion for bridges and present to you the 5 longest bridges in the world. Enjoy, and don’t forget to share your thoughts.
5. Vasco da Gama Bridge – Portugal
The bridge Vasco da Gama is the longest bridge in Europe. It consist of cable-stayed bridges, roads and bridges surrounded by the river extends to the Crown River near the Portuguese capital of Lisbon. Its total length is of 17.2 kilometers, of which 0.829 kilometres (0.5 miles) of the main bridge, 11.5 kilometers (7.1 miles) The bridges, and 4.8 kilometers (3.0 miles) of dedicated access routes. Its purpose is to alleviate congestion on the bridge to the other Lisbon (25 abril de bridge), and previously to join the radiation from the highways is not relevant to Lisbon.
4. Chesapeake Bay Bridge – USA
The Chesapeake Bay Bridge, also known as the Gulf Bridge, is one of the biggest and most important bridges in North America. In short, it’s a major bridge over the double in the U.S. state of Maryland, along the Chesapeake Bay. It provides the connection between the state and the east and west coast regions. At 4.3 miles (7 km) in length, may extend the original in the world over the longest continuous steel structures in the water when it opened in in 1952. Bridge officially name (William Preston hot, warm, Jr. Memorial Bridge after William Preston, son, Governor of the State of Maryland, carried out construction.
3. King Fahd Causeway – Bahrein
King Fahd Causeway is a multiple dike – bridge combination connecting Khobar, Saudi Arabia, and the island nation of Bahrain.
A construction agreement signed on July 8, 1981 led to construction beginning the next year. The cornerstone was laid on November 11, 1982 by King Fahd of Saudi Arabia and Sheikh Isa bin Salman al-Khalifa of Bahrain; construction continued until 1986, when the combination of several bridges and dams were completed. The causeway officially opened for use on November 25, 1986.
The four-lane road (2×12.3 metres (40 ft)) is 25 kilometres (15.5 mi) long. Five bridges with an overall length of 12,430 metres (40,781 ft) were built using 350,000 cubic metres (460,000 yd³) of concrete along with 147,000 metric tons of reinforced steel.
2. Bridge Donghai – China
Donghai Bridge (literally “Eastern Sea Great Bridge”) is the longest cross-sea bridge in the world and the longest bridge in Asia. Construction was finished on December 10, 2005. This marvelous bridgehas a total length of about 32.5 kilometers (20.2 miles) and connects Shanghai and external Yangshan deep-water port in China. Over the bridge is a bridge to a low level. There is also cable-stayed doors to allow passage of large ships, with a greater extent than 420 m.
1. Lake Pontchartrain Causeway – USA
[digg-reddit-me]The Lake Pontchartrain Causeway, or the Causeway, consists of two parallel bridges that are the longest bridges in the world by total length. These parallel bridges cross Lake Pontchartrain in southern Louisiana. The longer of the two bridges is 23.87 miles (38.42 km) long. The bridges are supported by over 9,000 concrete pilings. The two bridges feature bascule spans over the navigation channel 8 miles (13 km) south of the north shore. The southern terminus of the Causeway is in Metairie, Louisiana, a suburb of New Orleans. The northern terminus is at Mandeville, Louisiana.