During the Edo period, "Aromi Passing" was the only ferry port on the Nihonbashi River, but it is also a legendary place.
As you know, in the Edo Famous Zoukai, during the Eisho era (1046-53), when Yoshiie Minamotono tried to cross the helmet to Shimousa country by conquering Oshu, he cast his armor into the sea and turned his hand to the dragon gods, and when he was told that he was able to cross it, he was able to cross it, saying, "The Battle of Armor ofTaira no Masakado."
What kind of place was this land during the legendary Heian period? The maintenance of the Nihonbashi River (Hirakawa) and the development of land around this area are said to be in the early Edo period, so you can think of the terrain of the Middle Ages before that. The righteous family and the legend of Masakado exist here and there in Tokyo, so it can be said to be one of them.
Around the cultural period (1818-30), there was such a "wish". "If you make a wish with pox, measles, or pertussis on the water in the middle of the handing of armor, it will come true." I don't know what to do, but did you draw this water and hope for your benefit? The legend of this kind of wish is known as "If you put a rope on the giboshi in the middle of the Kyobashi balustrade, it works for headaches in Takao Inari."
On the other hand, the song "I'm a armor that I'm going back to fair and I'm going back upside down" in the ward's explanation board "Omodaka" is similar to a nearby Sakamotocho Ueki shop or fair in Kayabacho Yakushi.
After the abolition of the ferry, the armor bridge was built in 1872 (1872), connecting the Kakigara-cho area and the Kayabacho / Hatchobori area, and the nearby commerce flourished. In 1888 (1888), it was replaced with a steel trust bridge, and in 1957 (1957) it became the current bridge. Now, there is a point of interest on the abutment. You can see a brick stack that is neatly assembled at the surface finish (lower left photo). This is called "UK" stacking" and is said to be abutment in the Meiji era. It is characterized by the fact that the bricks are alternately stacked with a long hand (wide side) and a small (small side). It is said to be a common way of loading in railway bridges and civil engineering structures, and it became popular after loading in France.