The Sumida River, running across the heart of Tokyo, had been spanned with only five wooden bridges, such as Ryogoku Bridge and Eitai Bridge, from the view point of Edo (Tokyo) defence till the last half of the 19th century. These bridges were successively
rebuilt in western style by the beginning of the 20th century though, most of them were seriously damaged in the Great Kanto Earthquake in 1912. According to Tokyo's post-quake rehabilitation plan, they put importance on the reconstruction of Eitai Bridge and construction of Kiyosu Bridge. In other word, they placed the highest priolity on design when planning these two bridges, creating two beautiful bridges that would become landmarks in the capital city of Tokyo. Various state-of-art technologies were introduced, and three times the budget of other bridges over the Sumida River was genelously allocated to the project. Kiyosu Bridge in the photo was designed after Hindenburg Bridge in Cologne, Germany, and special steel for battleships was used to strengthen the resistance to earthquakes, for the first time in the world. This graceful bridge had become an adeal model of Japan's suspension bridges thereafter.
In this connection, the six new bridges based on the pst-quake rehahabilitation plan were designed differently in porpose to give variety to the landscape of the Sumida River. This bridge is designated as an important cultural asset togheter with neighboring Eitai Brige.
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