Top 10 most fantastic cross-sea bridges in the world

Cross-sea bridges are not only engineering marvels but also iconic landmarks that connect communities, foster economic growth, and attract tourists from around the world. From the breathtaking Hong Kong-Zhuhai-Macau Bridge to the historic Golden Gate Bridge, these architectural wonders span vast bodies of water, enabling seamless travel and showcasing the ingenuity of human achievement. In this article, we will explore the top 10 most fantastic cross-sea bridges in the world, highlighting their impressive features, historical significance, and the impact they have on the regions they connect.

Table of Contents

1. Hong Kong–Zhuhai–Macau Bridge: A Marvel of Engineering

The Hong Kong–Zhuhai–Macau Bridge, also known as the HZMB, holds the title of the world’s longest sea bridge. Completed in 2018, this architectural masterpiece spans approximately 55 kilometres, dwarfing even the famous Golden Gate Bridge in San Francisco. The HZMB comprises three cable-stayed bridges, two artificial islands, and a 6.7-kilometre-long sea tunnel. With its ability to withstand earthquakes of magnitude 8 and super typhoons, the HZMB stands as a testament to both engineering prowess and resilience.

2. Jiaozhou Bay Bridge: A Guinness World Record Holder

Recognized by Guinness World Records as the longest sea-crossing bridge by total length in 2012, the Jiaozhou Bay Bridge in China spans an impressive 41.58 kilometres. This six-lane bridge boasts over 5,200 pillars and utilizes 450,000 tons of steel, equipping it to withstand earthquakes of magnitude 8. Connecting Qingdao and Huangdao District, the Jiaozhou Bay Bridge plays a vital role in facilitating trade and transportation in the region.

3. Lake Pontchartrain Causeway: A Louisiana Icon

Aerial view of a bridge repair over Lake Pontchartrain after Hurricane Katrina

Stretching across Lake Pontchartrain in Louisiana, the Lake Pontchartrain Causeway holds the distinction of being the longest continuous bridge over water in the world. With a length of 38.44 kilometres, this bridge connects the city of Metairie with the district of St. Tammany. Not only does it provide a convenient transportation route, but it also serves as a popular tourist destination, offering stunning views of the lake.

4. Donghai Bridge: Connecting Shanghai to Yangshan Port

As the first sea-crossing bridge in China, the Donghai Bridge spans 32.5 kilometres and serves as a vital link between mainland Shanghai’s Pudong New Area and the offshore Yangshan Deep-Water Port in Zhejiang’s Shengsi County. Completed in 2005, this six-lane bridge plays a crucial role in facilitating China’s land-sea trade, showcasing its significance in the country’s economic development.

5. King Fahd Causeway: Bridging Nations

Promoting trade exchanges and strengthening diplomatic ties, the King Fahd Causeway connects Saudi Arabia with the island nation of Bahrain. This 25-kilometer bridge and causeway combination, with its four lanes, facilitates the smooth flow of traffic between the two countries, with an average of over 45,000 vehicles crossing daily. The King Fahd Causeway stands as a symbol of connectivity and cooperation in the region.

6. Vasco Da Gama Bridge: A European Landmark

Named after the renowned explorer, the Vasco Da Gama Bridge in Lisbon, Portugal, holds the distinction of being Europe’s longest bridge, spanning over 17 kilometres. With a price tag of one billion USD, this bridge serves as a crucial transportation route, connecting the southern and northern regions of Portugal.

7. San Francisco – Oakland Bay Bridge: A Symbol of Resilience

Inaugurated in 1936, the San Francisco – Oakland Bay Bridge spans over 13.4 kilometres, connecting the cities of San Francisco and Oakland. Its iconic 160-meter-high tower shaft shines brightly each night, illuminating the bay with a captivating display of lights. The San Francisco – Oakland Bay Bridge not only serves as a vital transportation route but also stands as a symbol of resilience and progress.

8. Seven Mile Bridge: A Floridian Gem

Stretching across the Gulf of Mexico, the Seven Mile Bridge in Florida spans over 10 kilometres, providing a vital link between the Gulf and the state of Florida. Completed in 1982, this bridge offers breathtaking ocean views and has become an iconic sight for both locals and tourists alike.

9. Øresund Bridge: Linking Sweden and Denmark

Located across the Øresund Strait, the Øresund Bridge connects the southernmost part of Sweden with Denmark. This architectural marvel consists of an 8-kilometer-long cable-stayed bridge and a 4-kilometer-long undersea tunnel. The Øresund Bridge not only facilitates transportation but also offers a stunning view, with its half-bridge structure seemingly emerging from the vast ocean.

10. Mackinac Bridge: A Historic American Landmark

Spanning 8 kilometres, the Mackinac Bridge in Michigan is one of the most famous and historically significant bridges in America. As the third-longest suspension bridge in the United States and the second-longest suspension span in North America, the Mackinac Bridge serves as a vital transportation route and a beloved tourist attraction.

Conclusion: Celebrating Human Ingenuity

Cross-sea bridges represent the epitome of human ingenuity, showcasing our ability to overcome natural obstacles and connect distant places. From the groundbreaking engineering of the Hong Kong–Zhuhai–Macau Bridge to the historic significance of the Golden Gate Bridge, these architectural wonders transcend their functional purposes and become symbols of progress and unity. As we celebrate these magnificent structures, we are reminded of the power of human collaboration and the incredible feats we can achieve together.