5 Longest Bridges in the World

longest bridgesIn this highly globalized world, one can take a bridge as symbolizing a no-border world. The beautiful bridges – whether beam, cantilever, arch, suspension, truss, or cable-stayed bridges – are a concrete reminder that everything is reachable. Here are the 5 longest bridges in the world over water:

1. Lake Pontchartrain Causeway

The twin spans of the Lake Pontchartrain Causeway are the world’s longest bridges. The longer of the twin bridges is 23.87 miles long. Crossing Lake Pontchartrain in southern Louisiana, the Causeway’s pre­stressed panels are supported by more than 9,000 concrete pilings. The northern terminus of the bridges is at Mandeville in Louisiana, while the southern terminus is in Metairie in a suburb of New Orleans.

2. Donghai Bridge

The Donghai Bridge ("East Sea Grand Bridge") in China is the longest bridge in Asian continent and the world’s longest cross-sea bridge. Completed in December, 2005, the bridge is 32.5 kilometers long. (20.2 miles), It serves as vital link between Shanghai and the Yangshan deep water port. A huge part of Dghai Bridge is a low-level viaduct. It also has cable-stayed sections for passing large ships.

3. King Fahd Causeway

At 15 miles, the King Fahd Causeway is the third longest bridge in the world. This multiple dike-bridge combination connects Bahrain and Khobar in Saudi Arabia. The causeway was built using 500,000 cubic meters of concrete and 200,000 metric tons of reinforced steel. It officially opened for traffic on November 25, 1986.

4. Vasco da Gama Bridge

The Vasco da Gama Bridge in Lisbon, Portugal is the longest bridge in the European continent (including viaducts). Excluding viaducts, it is the fourth longest in the world, with 6 miles passing over water. The purpose of this bridge is to alleviate the congestion on the 25 de Abril Bridge.

5. Chesapeake Bay Bridge

The fourth longest bridge in the world is the dual-span bridge, the Chesapeake Bay Bridge, in Maryland. At 4.3 miles, it spans the Chesapeake Bay, the bridge connects the state’s Western and Eastern Shore regions. Its original span was the longest continuous over-water steel structure in the world when it officially opened in 1952.

 
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