Top 10 World’s Longest Bridges

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A bridge is a structure or an area which is used as a passage over a road, a river, a body of water or on any other entity without which, it is difficult to go from one end point to another. Bridges serve as easy modes of transportation in terms of traffic policy.  Some bridges are short while some of them are long depending upon the requirement of ease of moving from one edge or place to another. It would be a matter of knowledge and surprise that among the longest bridges in the world, around seven are located in China. Some bridges are built for road traffic and some for railway traffic lines. These bridges are made over land mass areas for road use purposes while others are built upon bodies of water to maintain an ease way of travel. The world’s top ten longest bridges are detailed below:^

10. Run-yang Bridge

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Run-yang Bridge constitutes a length of about 35.66 km or 116,990 ft. This bridge is built in China and was completed and opened in the year 2005. It is mainly built for the purpose of road traffic routes. This bridge crosses over the Yangtze River and mainly consists of two banks – South Bank which is linked with Zhengzhou and North Bank which is linked with Yangzhou. This bridge is having the highest span among all the top ten longest bridges i.e. of around 4890 ft. or 1490 m along the South Bank and 406 m along the North Bank. This bridge is also linked with the Beijing Shanghai Expressway. This is the seventh longest bridge of China. The estimated cost for developing this bridge was around $700 million US.

9. Hangzhou Bay Bridge

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Hangzhou Bay Bridge acquires a length of about 35.673 km or 117,037 ft. This bridge is developed in China (sixth longest bridge in China) and was completed in the year 2007 and finally inaugurated in the year 2008 with a main span of around 448 m or 1470 ft. This bridge crosses over the Hangzhou bay over the land mass area. It is mainly built for the purpose of road traffic. The estimated cost for developing this bridge was around 80 Yuan. One of the advantageous facility about this bridge is that the distance between region of Ningbo and Shanghai has been reduced by 120 km .

8. Yangcun Bridge

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Yangcun Bridge is the China’s fifth largest bridge having a length of about 35.812 km or 117,493 ft. This bridge was completed in the year 2007. It is built for the purpose of high speed rail lines. This bridge runs between Ti an – jin railway line and Beijing railway line, in China. It is a high speed railway which is assumed to be profitable in terms of both time and cost. This bridge is 14 meters inclined upward above the water level.

7. Manchac Swamp Bridge

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Manchac Swamp Bridge is built in USA which acquires a length of about 36.71 km or 120,440 ft. This bridge was completed in the year 1970 and was opened in the year 1979. It is mainly built for the purpose of high speed road traffic. It is one of the longest bridges among the categories of all the bridge that were built over water. This bridge crosses over the region of Manchac Swamp in Louisiana. The width of this river is around 95 km. The most important point regarding this bridge is that it is a toll free bridge for road traffic.

6. Lake Pontchartrain Causeway

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Lake Pontchartrain Causeway Bridge is the longest bridge in USA having a length of about 38.442 km or 126,122 ft. This bridge was developed in USA and was finally inaugurated in the year 1956 for South Bound and in 1969 for North Bound. This causeway constitutes of two concurrent parallel bridges known as South Bound terminal and the North Bound terminal. It is made up of around 9,500 concrete substance. The South Bound terminal of this bridge is located in Metairie and the North part bridge is in Mandeville in Louisiana. The span of this bridge is low and not more than 46 m. It is built for the purpose of road traffic load.

5. Beijing Grand Bridge

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Beijing Grand Bridge is having a length of about 48.153 km or 157,982 ft. It has a main span of around 354 ft. or 108 m. This bridge is developed in China and was completed in 2010 and finally opened in the year 2011.  It is built for the purpose of high speed rail lines. This bridge is located on the Beijing Shanghai High Speed Railway Line which is located in Beijing.

4. Bang Na Expressway Bridge

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Bang Na Expressway Bridge is the longest bridge of Thailand having a length of about 54 km or 177,000 ft. This bridge was completed and inaugurated in the year 2000. It is mainly built for the purpose of road traffic. It is a six lane elevated bridge which runs over another bridge highway i.e. National Highway with Route no. 34 which is also known as Bang Na – Bang Pakong Highway. It crosses only a small part of its length on the water body. The water body it crosses is named as Bang Pakong River. Around 1,800,000 cubic meters of concrete materials were used for the development of this bridge. Two plazas are located on this elevated structure of bridge such that the accommodation of this bridge can be extended to twelve lanes.

3. Weinan Wei-he Grand Bridge

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Weinan Wei-he Grand Bridge is having a length of about 79.732 km or 261,588 ft. This bridge is developed in China(third longest bridge) and was completed in 2008 and finally inaugurated in the year 2010 with a main span of around 260 ft. or 80 m for the purpose of high speed rail lines. This grand bridge connects the two high speed railways known as Zhengzhou and Xi’an. This bridge crosses many rivers and highway. This bridge is also passed by Beijing Shanghai High Speed Railway.

2. Tianjin Grand Bridge

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Tianjin grand Bridge is the second longest bridge in the world as well as in China having a length of about 113.7 km or 373,000 ft. This bridge was completed in the year 2010 and finally started in the year 2011. It is also a high speed rail bridge having a  viaduct life span. This grand bridge is a part of Beijing Shanghai High Speed Railway and this bridge runs between two end poles i.e. between Lang-fang and Qingxian. This bridge is lies in the town of Hebei, Tianjin.

1. Danyang – Kunshan Grand Bridge

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Danyang Kunshan grand Bridge is the world’s longest bridge built in China having a length of about 164.8 km or 540,700 ft. This bridge was completed in the year 2010 and finally inaugurated in the year 2011 with a main span of around 260 ft. or 80 m. It crosses over the Yangtze River Delta, paralleled roughly. It is mainly built for the purpose of high speed rail lines. This bridge is situated between Shanghai and Nanjing. It starts from the Northern edge of Danyang and ends across Kunshan finally. The length of this bridge on open water body is around 9 km. The construction of this bridge cost wages of around 10,000 people as employees. Hence, the total overall cost involved in developing this bridge is around 48.5 billion US with a total time of around four years. A record is maintained in the Guinness book for this longest bridge and is expecting a long time for this record in the Guinness book world record.

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