The Rainbow Bridge is a suspension bridge crossing northern Tokyo Bay between Shibaura Pier and the Odaiba waterfront development in Minato, Tokyo, Japan.
Construction started in 1987 and was completed in 1993. The bridge is 798 metres (2,618 ft) long with a main span of 580 metres (1,903 ft). Officially called the Shuto Expressway No. 11 Daiba Route - Port of Tokyo Connector Bridge, the name 'Rainbow Bridge was decided by the public. It is colloquially known as RB.
The towers supporting the bridge are white in color, designed to harmonize with the skyline of central Tokyo seen from Odaiba. There are lamps placed on the wires supporting the bridge, which are illuminated into three different colors, red, white and green every night using solar energy obtained during the day.