Where is the Rainbow Bridge located? The Rainbow Bridge is located in Niagara Falls, New York, and connects to Niagara Falls, Ontario, Canada. It opened 82 years ago on Nov. 1, 1941.

Construction on the bridge began on May 4, 1940, and the bridge officially opened on Nov. 1, 1941. The Niagara Gorge is 200 feet deep and approximately 1,000 feet wide.