7 long bridge the world

1. Lake Pontchartrain Causeway

The Lake Pontchartrain Causeway, or the Causeway, 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 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

Donghai Bridge (simplified Chinese: ????; traditional Chinese: ????; pinyin: D?ngh?i Dàqiáo; 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. Most of the bridge is a low-level viaduct. There are also cable-stayed sections to allow for the passage of large ships, largest with span of 420 m.

3. King Fahd Causeway
The King Fahd Causeway is 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.

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. At 4.3 miles (7 km) in length, the original span was the world’s longest continuous over-water steel structure when it opened in 1952. The bridge is officially named the William Preston Lane, Jr. Memorial Bridge after William Preston Lane, Jr. who, as governor of Maryland, implemented its construction.

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), including 0.829 km (0.5 mi) for the main bridge, 11.5 km (7.1 mi) in viaducts, and 4.8 km (3.0 mi) in dedicated access roads. Its purpose is to alleviate the congestion on Lisbon’s other bridge (25 de Abril Bridge), and to join previously unconnected motorways radiating from Lisbon.

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), making it among the longest bridges in the world, the longest bridge in the country as well as a national landmark. PLUS Expressway Berhad is the concession holder which manages it.

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.
Construction began symbolically on August 23, 1968, in the presence of Queen Elizabeth II of the United Kingdom and Prince Philip, Duke of Edinburgh, in their first and thus far only visit to Brazil. Actual work begun in January, 1969, and 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. “Rio-Niteroi” started as a descriptive nickname that soon became better known than the official name. Today, hardly anyone refers to it by its official name.