Great Seto Bridge

The Great Seto Bridge (Japanese: ????, also known as the Seto-Ohashi Bridge or the Seto-Chuo Expressway) is a series of double deck bridges connecting Okayama and Kagawa prefectures in Japan across a series of five small islands in the Seto inland sea. Built over the period 1978 - 1988, it is one of the three routes of the Honshu-Shikoku Bridge Project connecting Honshu and Shikokuislands. At 13.1 km long, it ranks as the world's longest two-tiered bridge system.

Trivia

• A 6.8 meter tall Dodama-jishi guardian was placed in the Seto Ohashi Memorial Park in Sakaide.
• It is designed to withstand violent typhoons and severe earthquakes.
• The roadway of the Bisan-Seto Bridges is 93 m above sea level, above the fog on foggy days.
• 3,646,000 cubic meters of concrete and 705,000 tons of steel were used in construction.
• It is a sister bridge of the Golden Gate Bridge.