This study is made for demonstrating the construction projects about bridges on Ome-Street in Okutama Town in Tokyo. These can be classified into three periods. In the first period, from 4 to 10 years in Showa Era, the Civil Department of Tokyo Prefecture made the street wide. In the second, from 12 to 13 years in Showa Era, the waterworks bureau of Tokyo City built the street to transport the construction materials of the Ogouchi-Dam. In the third, from 31 to 32 years in Showa Era, the waterworks bureau of Tokyo Prefecture built the street in the areas which were under water by building the Ogouchi-Dam. In the first, six long-span bridges were all different, and short-span bridges were rainforced concrete arch bridges. In the second, three bridges were designed by Masayosi Kabashima, Jun Masuda, Katsutake Naruse, famous technicians of bridges. In the third, five arch bridges designed by Katsutake Naruse and Samon Honma were all different.