The Rainbow Bridge is a suspension bridge crossing northern Tokyo Bay between Shibaura Pier and the Odaiba waterfront development in Minato, Tokyo, Japan. It is named Tōkyō Kō Renrakukyō as the official name in Japanese. It was built by Kawasaki Heavy Industries, with construction starting in 1987 and completed in 1993. The bridge is 798 m long with a main span of 580 m. Officially called the "Shuto Expressway No.