2. Japan’s Great Seto Bridge
Situated in Kagawa/Okayama, Japan
Founded in 1988
Price: $7 billion *
The Great Seto Bridge in Japan, which connected the prefectures of Okayama and Kagawa, spanned an amazing 13.1 km and was nestled among the tranquil waters of the Seto Inland Sea. This architectural wonder, affectionately referred to as the “Pearl Bridge,” is essential for maintaining connectivity between the islands.
Japan’s Great Seto Bridge ©Shutterstock/North-tail
Its construction required an enormous volume of concrete—more than 2.3 million cubic meters—which is truly astonishing. This accomplishment highlights Japan’s dedication to developing cutting-edge infrastructure and technology.
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