Konohana Bridge, Self-anchored suspension bridge in Konohana-ku, Japan
Konohana Bridge is a self-anchored suspension bridge with a single main cable and one tower, linking Maishima and the North Port area of Konohana-ku in Osaka. Its main span measures 300 metres, the deck is 23.5 metres wide, and the tower rises 98.6 metres above the steel-reinforced concrete piers.
Construction of the Konohana Bridge began in 1979 and the structure was completed in March 1990, at a total cost of about 34 billion yen. It links the Hokko district with Maishima over the Port of Osaka. At completion its 300 m main span made it the world's largest self-anchored suspension bridge, a title later surpassed by the Yeongjong Grand Bridge in Korea.
The Japan Society of Civil Engineers recognized the bridge's technical excellence by awarding it the prestigious Tanaka Prize in 1990.
The bridge links Konohana-ku's Hokko district with Maishima over a 1.6 km route, with a 540 m bridge length and 23.5 m width. It carries road traffic plus pedestrians and cyclists, so walkers share the deck with vehicles. The main tower rises 98.6 m above the deck.
At its completion, the Konohana Bridge featured the world's longest span for a self-anchored suspension bridge, utilizing a single main cable system.
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