we have bring a best information about 10 longest cross-sea bridges in the world.
10. Oresund Bridge
The Oresund Bridge connects Denmark’s Copenhagen and Sweden’s third largest city, Malmö. The Oresund Strait divides Denmark and Sweden into two as a natural dividing line. The strait link vision has become a reality. The bridge starts from Malmö, and an artificial island is built in the strait. The bridge consists of three parts, including 8 kilometers of bridges, 4 kilometers of artificial island roads, and 4 kilometers of subsea tunnels. The eastern part of Denmark and the southern part of Sweden connected by it will become the area with the most dense international urban agglomeration, the most active economy and the most frequent cultural exchanges in the Nordic and Baltic regions.
The Øresund Strait Bridge started construction in 1995, was completed in June 2000, and was officially opened to traffic on July 1. Before the official opening, the two countries held a grand celebration ceremony. The bridge is called “Sweden leads to Europe”. bridge”.
9. Great Belt Bridge, Denmark
The Great Belt Bridge is a bridge connecting the Danish islands of Zealand and Funen, across the Great Belt Strait, with a total length of 17.5 kilometers. The bridge consists of three parts, a suspension bridge and a subsea tunnel from Zealand to Spue, a box girder bridge from Spue to Funen, and the East Bridge is usually called the Big Belt Bridge. Construction of the Great Belt Bridge began in June 1987. The entire railway line was opened to traffic in June 1997. The road bridge was opened in August 1998. The entire project was completed. The total investment in the project was 4.8 billion US dollars, which was the bridge project with the highest budget in Europe at that time.
8. Zhoushan Jintang Bridge
Jintang Bridge is a cross-sea channel connecting Zhoushan City and Ningbo City in Zhejiang Province, China. It is located in the sea area of Huibieyang. It is one of the important components of the Zhoushan Continental Island Linking Project and the longest one among the five main bridges of the Zhoushan Continental Island Linking Project. The construction of Jintang Bridge started on September 30, 2005, with a total investment of 7.7 billion yuan. The main bridge closing project was completed on June 25, 2008, and the entire bridge section was fully connected. It was opened to traffic on December 25, 2009. The Jintang Bridge starts from the Jiaochuan Junction Interchange in the west, crosses the Huibieyang sea area, and ends at the Jintang Island Interchange in the east. The total length of the line is 21.029 kilometers, and the cross-sea bridge is 18.415 kilometers long. 100 km/h.
7. Crimea Bridge
The Crimea Bridge is known as Russia’s “Century Project”. The bridge started construction in February 2016. The bridge is 19 kilometers long. It is the longest bridge in Russia and the longest bridge in Europe. The Crimea Bridge across the Kerch Strait is a road and rail bridge connecting the Crimea Peninsula and the Krasnodar Krai in southern Russia. It is one of the largest bridges in Russia. The bridge is a transport link project across the Kerch Strait that Russia and Ukraine have been discussing for years. The Crimea Bridge was opened to car traffic on May 16, 2018, and the Crimea Bridge railway bridge was opened on December 23, 2019.
6. King Fahd Bridge
The King Fahd Bridge, also known as the Bahrain Road Embankment Bridge, started construction in 1981 and lasted for more than 4 years. It was completed and opened to traffic on November 25, 1986. It is located in Bahrain Bay in the Persian Gulf and is a cross-sea highway connecting Bahrain and Saudi Arabia. . The total length of the bridge is 25 kilometers, of which 10 kilometers are reclamation and embankment, which are connected by 5 bridges. There are 4 lanes on the bridge deck; the design speed is 100 kilometers per hour, and there are sidewalks on both sides. Including auxiliary projects such as connecting roads, the entire project cost 1.2 billion U.S. dollars, and all funds were provided by Saudi Arabia.
5. Donghai Bridge
The Donghai Bridge starts from Luchao Port in Shanghai in the north, passes through the northeast of Hangzhou Bay in the East China Sea to the Yangshan Deepwater Port in Zhejiang Province in the south. an important component. The Donghai Bridge was first built on June 26, 2002. On May 25, 2005, the entire line of the Donghai Bridge was completed, and a breakthrough ceremony was held. On December 10, 2005, the Donghai Bridge was officially opened to traffic. The total length of the Donghai Bridge is 32.5 kilometers. The bridge deck is a two-way six-lane expressway with a design speed of 80 kilometers per hour. It can resist typhoons of magnitude 12 and earthquakes of magnitude 7. The total investment in the project is 7.11 billion Chinese yuan.
4. Hangzhou Bay Bridge
The Hangzhou Bay Bridge is a sea-crossing bridge connecting Jiaxing City and Ningbo City in Zhejiang Province, China, and is located on the waters of Hangzhou Bay. The foundation stone of the Hangzhou Bay Bridge was laid on June 8, 2003. The closure project was completed on June 26, 2007, and the whole line was connected. It was opened to traffic on May 1, 2008. On December 29, 2010, the offshore platform “Haitian Yizhou” of the supporting project of the Hangzhou Bay Cross-sea Bridge was put into operation. This offshore platform covers an area of 12,000 square meters. The total length of the line is 36 kilometers, and the total length of the bridge is 35.673 kilometers. The bridge deck is a two-way six-lane expressway with a design speed of 100 kilometers per hour. The bridge introduces the concept of landscape design, with the help of the aesthetic concept of “long bridge lying on the waves”, it presents an S-shaped curve, which is highly ornamental and touristy.
3. Seto Bridge, Japan
Seto Ohashi is a bridge in Japan between Honshu and Shikoku, across the Seto Inland Sea. The whole bridge is connected by multiple suspension bridges, cable-stayed bridges, and girder bridges, forming a spectacular bridge group. The bridge started construction on October 10, 1978. It took nearly 10 years to construct and was fully opened to traffic on April 10, 1988. The bridge is a dual-purpose bridge for highways and railways. The upper layer is a 4-lane expressway with a design speed of 100 kilometers per hour, and the lower layer is a double-track railway with a design speed of 160 kilometers per hour. According to the design, the bridge can resist a magnitude 8.5 earthquake and a typhoon of magnitude 17.
2. Jiaozhou Bay Bridge
Qingdao Jiaozhou Bay Bridge, also known as Qingdao Bay Bridge, is located on Jiaozhou Bay, Qingdao City, Shandong Province, China. It was designed, constructed, and built by my country itself. It is one of the modern super-large bridge projects with the highest construction standards and technological content in the history of bridge construction in my country . The construction of Jiaozhou Bay Bridge started on December 26, 2006. It was called “Qingdao Bay Bridge” at the time. The main bridge closing project was completed on December 22, 2010. Bridge”, opened to traffic on June 30, 2011, and opened the Jiaozhou connecting section on March 30, 2020. The total length of the line is 42.23 kilometers, and the total length of the bridge is 31.630 kilometers. The bridge deck is a two-way six-lane expressway with a design speed of 80 kilometers per hour. The investment in the bridge is nearly 10 billion, and it took 4 years to complete. In September 2011, it was named “the best bridge in the world” by Forbes in the United States.
1. Hong Kong-Zhuhai-Macao Bridge
The Hong Kong-Zhuhai-Macao Bridge is a super-large cross-sea passage connecting Hong Kong, Zhuhai and Macau in China. It is located in the Lingdingyang Sea at the Pearl River Estuary in Guangdong Province, China, with a total length of 55 kilometers. The main project, “bridge and tunnel in the sea” is 35.578 kilometers long. It is about 6.75 kilometers long. The Hong Kong-Zhuhai-Macao Bridge is the longest sea-crossing bridge in the world, ranking first among the world’s ten longest sea-crossing bridges. The construction of the Hong Kong-Zhuhai-Macao Bridge started on December 15, 2009, and the main project was completed on July 7, 2017. The main project acceptance was completed on February 6, 2018, and it was opened for operation on October 24 of the same year. The design life is 120 years, and it can resist earthquakes of magnitude 8 and typhoons of magnitude 16. The total investment of the bridge is about 110 billion yuan, and the estimated investment of the main project of the Haizhong Bridge and Tunnel is about 48 billion yuan.
According to the available data, there is some controversy over bridge data. These sea-crossing bridges have their own advantages due to their geographical location and construction technology. The ranking standard of the bridge, the above ranking is only for learning and understanding; welcome to leave a message for discussion. At the same time, let us pay tribute to the people who built these world’s top cross-sea bridges!