Rainbow Bridge is a suspension bridge located in Tokyo, Japan. It spans Tokyo Bay and connects the Shibaura Pier on the Tokyo side with the waterfront area of Odaiba on the artificial island of the same name. The bridge was opened to the public in 1993 and was designed to have a rainbow-like appearance when illuminated at night.

The Rainbow Bridge is 798 meters long and 126 meters high. The bridge has two decks: the upper deck carries a four-lane highway, while the lower deck carries a railway line and a pedestrian walkway. The bridge's two towers are painted white and support the suspension cables that span the bridge's length.

The bridge has become a popular attraction for tourists and locals alike, offering stunning views of Tokyo Bay and the surrounding areas. The bridge is particularly famous for its illuminated "rainbow" lights that are switched on at night. The colors of the lights change depending on the day of the week and the season.

Visitors can access the bridge's pedestrian walkway for free during the day, but the bridge is closed to pedestrians during the night. There are also several observation decks located along the bridge's length that offer spectacular views of Tokyo Bay and the city skyline.