10 longest bridges in the world...

There are lots & lots of bridges in the world, some are small, some are long, some are wide, some are narrow. Here is a list of 10longest bridges of the world...

1. Lake Pontchartrain Causeway: it consists of two parallel bridges that are the longest bridges in the world by total length.[2] 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 southern terminus of the Causeway is in Metairie, Louisiana, a suburb of New Orleans. The northern terminus is at Mandeville, Louisiana.

2. Donghai Bridge: Donghai Bridge (literally “East Sea Grand Bridge”) is the longest cross-sea bridge in the world and the longest bridge in Asia. It was completed on December 10, 2005. It has a total length of 32.5 kilometres (20.2 miles) and connects Shanghai and the offshore Yangshan deep-water port in China.

3. King Fahd Causeway: The King Fahd Causeway is multiple dike - bridge combination connecting Khobar, Saudi Arabia, and the island nation of Bahrain. The causeway officially opened for use on November 25, 1986.

4. Chesapeake Bay Bridge: The Chesapeake Bay Bridge (commonly known as the Bay Bridge) is a major dual-span bridge in the U.S. state of Maryland; spanning the Chesapeake Bay, it connects the state’s Eastern and Western Shore regions. It's length is 4.3 miles (7 km).

5. Vasco da Gama Bridge: The Vasco da Gama Bridge (Portuguese: Ponte Vasco da Gama, pron. IPA: [’põt(?) ‘va?ku d? ‘g?m?]) is a cable-stayed bridge flanked by viaducts and roads that spans the Tagus River near Lisbon, capital of Portugal. It is the longest bridge in Europe (including viaducts), with a total length of 17.2 km (10.7 mi)

6. Penang Bridge: The Penang Bridge (Jambatan Pulau Pinang in Malay) E 36 is a dual-carriageway toll bridge that connects Gelugor on the island of Penang and Seberang Prai on the mainland of Malaysia on the Malay Peninsula. The bridge is also linked to the North-South Expressway in Prai and Jelutong Expressway in Penang. It was officially opened to traffic on September 14, 1985. The total length of the bridge is 13.5 km (8.4 miles).

7. Rio-Niteroi Bridge: The Rio-Niteroi Bridge is a reinforced concrete structure that connects the cities of Rio de Janeiro and Niteroi in Brazil. it opened on March 4, 1974. Its official name is “President Costa e Silva Bridge”, in honor of the Brazilian president who ordered its construction.

8. Confederation Bridge: The Confederation Bridge (French: Pont de la Confédération) is a bridge spanning the Abegweit Passage of Northumberland Strait, linking Prince Edward Island with mainland New Brunswick, Canada. The 12.9-kilometre (8 mi) long bridge opened on 31 May 1997.

9. San Mateo-Hayward Bridge: The San Mateo-Hayward Bridge (commonly called San Mateo Bridge) is a bridge crossing California’s San Francisco Bay in the United States, linking the San Francisco Peninsula with the East Bay.

10. Seven Mile Bridge: The Seven Mile Bridge, in the Florida Keys, runs over a channel between the Gulf of Mexico and the Florida Strait, connecting Key Vaca (the location of the city of Marathon, Florida) in the Middle Keys to Little Duck Key in the Lower Keys. Among the longest bridges in existence when it was built, it is one of the many bridges on US 1 in the Keys, where the road is called the Overseas Highway.