Great Seto Bridge, Steel bridge between Honshu and Shikoku, Japan
The Great Seto Bridge spans 13,100 meters across the Seto Inland Sea, featuring six connected segments with a double-tiered structure for both vehicles and trains.
Construction of this transportation connection began in 1978 following a severe ferry disaster in 1955, leading to its completion and opening in April 1988.
The bridge forms part of Japan's 20th Century Heritage collection and represents a milestone in the nation's engineering capabilities during the late 1980s.
Travelers can cross between Okayama and Kagawa prefectures in twenty minutes by car or train, compared to the previous one-hour ferry journey.
The lower deck contains additional space specifically designed to accommodate future Shinkansen high-speed rail tracks for a potential extension to Shikoku island.
Location: Kurashiki
Location: Sakaide
Inception: 1988
Official opening: April 10, 1988
Length: 13,100 m
Made from material: reinforced concrete
Part of: Honshū-Shikoku Bridge Project
Website: https://jb-honshi.co.jp/seto-ohashi
GPS coordinates: 34.39833,133.81000
Latest update: May 26, 2025 19:08
This collection presents suspension bridges recognized for their engineering solutions and their role in urban development. The Akashi Kaikyō Bridge in Japan spans 1,991 meters between its two towers, the longest distance of its kind in the world. The Golden Gate Bridge in San Francisco demonstrates 1930s engineering with its 1,280-meter main span. In New York, the Brooklyn Bridge has connected Manhattan to Brooklyn since 1883 and serves as an early reference point in modern bridge construction. The Humber Bridge in England held the record for the longest span from 1981 to 1998. In Istanbul, the Bosphorus Bridge has linked Europe to Asia since 1973 across a span of 1,074 meters. The Tower Bridge in London has combined a bascule bridge with suspension elements since 1894. These structures document the evolution of construction techniques over more than a century and remain important transportation routes in their respective regions.
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