Saturday, July 9, 2011


Here’s the list of longest bridges in the world. Bridges is an important part of human life. Without any bridges, some areas in the earth will remain isolated from other areas. Bridges is also one of the achievement of human technology. With advanced technologies, people can build long bridges with strong construction. So Let’s take a look at those longest bridges in the world.

1. Lake Pontchartrain Causeway, Louisiana, US
Lake Pontchartrain Causeway consists of two parallel bridges that are the world’s longest bridge in total length. This bridge across Lake Pontchartrain in southern Louisiana. Total length of the two bridges is 23.87 miles (38.42 km) long. The bridges are supported by 9,500 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.

2. Donghai Bridge, China
Donghai Bridge (East Sea Grand Bridge) is the longest cross-sea bridge in the world and the longest bridge in Asia. The bridge was completed on December 10, 2005. Has a total length of 32.5 kilometers (20.2 miles) and connects Shanghai and the water offshore Yangshan port in China. Most of the bridge parts are low-level bridge. There are also cable stayed to allow travel large ships. The widest span of the bridge is 420 m.

3. King Fahd Causeway, Saudi Arabia
King Fahd Causeway is a dike-bridge combination connecting Khobar, Saudi Arabia, with Bahrain, the island state. A construction agreement signed on July 8, 1981 by King Fahd of Saudi Arabia and Sheikh Isa bin Salman al-Khalifa of Bharain. Construction continued until 1986, when combination by several bridges and dams have been completed. The causeway was officially opened on November 25, 1986.

4. Chesapeake Bay Bridge, Maryland, US
Chesapeake Bay Bridge (commonly known as the Bay Bridge) is a dual-span bridge in Maryland, US. It connects the East and West Coast regions. Length is 4.3 miles (7km), the original span was the world’s longest over-water steel structure when opened in 1952. The bridge is officially called the William Preston Lane Jr. Memorial Bridge after William Preston Lane, Jr. who was governor of Maryland, implemented its construction.

5. Vasco da Gama Bridge, Portugal
The Vasco da Gama Bridge (Portuguese: Ponte Vasco da Gama) is a cable bridge that spanned on the Tagus River near Lisbon, capital of Portugal. This is the longest bridge in Europe (including viaducts), with a total length of 17.2 km (10.7 miles), including 0.829 km (0.5 miles) the main bridge, 11.5 km (7.1 miles) in viaducts, and 4.8 km (3.0 miles) on a special access road. The goal is to reduce the density in the city of Lisbon.

6. Penang Bridge, Malaysia
Penang Bridge is a highway that connects Gelugor in Penang island and Seberang Prai on the mainland of Malaysia on the Malay Peninsula. The bridge is also linked to North-South Expressway in Prai and Jelutong Expressway in Penang. Officially opened to public traffic on September 14, 1995. Total length of the bridge is 13.5 km (8.4 miles).

7. Rio-Niteroi Bridge, Brazil
Rio-Niteroi Bridge is a bridge with a concrete structure that connects the cities of Rio de Janerio and Niteroi in Brazil. The symbolic construction started on August 23, 1968, in the presence of Queen Elizabeth II of Great Britain and Prince Philip, Duke of Edinburgh, in his first visit to Brazil. Construction jobs began in January 1969, and opened on March 4, 1974. The official name is “President Costa e Silva Bridge”, in honor of Brazilian president who ordered its construction.

8. Confederation Bridge, Canada
Confederation Bridge (French: Pont de la Confederation) is a bridge spanning the Abegweit Passage of Northumberland Strait, linking Prince Edward Island with the mainland of New Brunkswick, Canada. This is commonly referred as the “Fixed Link” by residents of Prince Edward Island prior to its official name. Construction lasted from the fall of 1993 until the spring of 1997, with $ 1.3 billion cost. This bridge with a length of 12.9 kilometers (8 miles) was opened on May 31, 1997.

9. San Mateo-Hayward Bridge, California, US
San Mateo-Hayward Bridge (commonly called San Mateo Bridge) is a bridge crossing California’s San Francisco Bay in the United States which connects San Francisco Peninsula with the East Bay. The bridge is owned by the state of California, and managed by Caltrans.

10. Seven Mile Bridge, Florida, US
The Seven Mile Bridge in the Florida Keys, located between the Gulf of Mexico and Florida Strait, connecting Key Vaca (Marathon, Florida) in the Middle Keys to Little Duck Key in the Lower Keys. Among the longest bridges have been built in the world, this is one of many major bridges in the US, where this track is called the Overseas Highway.

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