The Nihonbashi River is a Koishikawa Bridge near the border between Chiyoda-ku and Bunkyo-ku, separated from the Kanda River, and joins the Sumida River at the end of Toyomi Bridge.
The Nihonbashi River is a river line that was opened by Seki after the battle of Hara in 1600 (1600) and played a major role as a canal connecting Edo Castle's large tactics and Sumida River almost straight, and has supported the prosperity of Edo. .
In Chuo-ku, there are Toyomi Bridge, Minato Bridge, Kayaba Bridge, Armor Bridge, Edobashi, Nihonbashi, Nishikawabashi Bridge, and Ichiishi Bridge, but this time from the mouth, Toyomi Bridge, Minato Bridge, Kayaba Bridge, Armor Bridge, Edobashi I will introduce in the order.
It's Toyomi Bridge. It is located at the bottom of the Nihonbashi River.
It has an unusual design like a ladder lying down.
It has been replaced several times, but the current bridge was completed in 1927 (1927).
It is Tangible Cultural Property inhabitant of a ward.
The following is Toyomi Bridge seen from Minato Bridge.
![2010_0903 Toyomi Bridge 3.JPG](http://www.chuo-kanko.or.jp/blog/2010_0903%20%20%E8%B1%8A%E6%B5%B7%E6%A9%8B%E3%80%80%EF%BC%93.JPG)
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![2010_0903 Minato Bridge (name) .JPG](http://www.chuo-kanko.or.jp/blog/2010_0903%20%20%E6%B9%8A%E6%A9%8B%EF%BC%88%E5%90%8D%E5%89%8D%EF%BC%89.JPG)
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In the center of the bridge, "Minato Bridge" is written.
(Nihonbashihakozakicho-Shinkawa 1-chome)
It was built to connect Reigishi Island (now Shinkawa) with Hakozaki on the opposite bank.
The surrounding area was the entrance to Edo Minato, so it became Minato Bridge.
The pier is a three-piece arch made of reinforced concrete.
![2010_0903 Minato Bridge. JPG](http://www.chuo-kanko.or.jp/blog/2010_0903%20%E6%B9%8A%E6%A9%8B.JPG)
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![2010_0903 Kayaba Bridge (name) .JPG](http://www.chuo-kanko.or.jp/blog/2010_0903%20%E8%8C%85%E5%A0%B4%E6%A9%8B%EF%BC%88%E5%90%8D%E5%89%8D%EF%BC%89.JPG)
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Kayaba Bridge (Nihonbashi Kayabacho 1-chome - Nihonbashikoamicho)
In the past, the area around Minamizume of the bridge was a storage area where kaya was cut and piled up, so it became "Kayaba Bridge".
One of the features of the balustrade of the bridge is the design of three triangles on the handrails.
![2010_0903 Kayaba Bridge. JPG](http://www.chuo-kanko.or.jp/blog/2010_0903%20%E8%8C%85%E5%A0%B4%E6%A9%8B.JPG)
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Armor Bridge (Nihonbashikoamicho, Nihonbashikabutocho, 1-chome, Nihonbashi Kayabacho)
Until it was bridged in Meiji 5 (1872), there was a ferryboat called "handing of armor".
The bridge was aging and the current bridge was replaced in 1957.
The outside of the balustrade is going out like an elbow.
![2010_0903 Armor Bridge 2.JPG](http://www.chuo-kanko.or.jp/blog/2010_0903%20%E9%8E%A7%E6%A9%8B%EF%BC%92.JPG)
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![2010_0903 Edobashi (name) .JPG](http://www.chuo-kanko.or.jp/blog/2010_0903%20%E6%B1%9F%E6%88%B8%E6%A9%8B%EF%BC%88%E5%90%8D%E5%89%8D%EF%BC%89.JPG)
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Edobashi (Nihonbashi Muromachi 1-chome, Nihonbashi Honmachi 1-chome to Nihonbashi 1-chome)
The current bridge is a steel arch bridge that was built as part of the reconstruction plan after the earthquake in 1927.
The fine continuous pattern of the balustrade is illuminated by the sun and looks beautiful.
![2010_0903 Edobashi 1.JPG](http://www.chuo-kanko.or.jp/blog/2010_0903%20%20%E6%B1%9F%E6%88%B8%E6%A9%8B%E3%80%80%EF%BC%91.JPG)
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