Rainbow bridge is the longest nature bridge on earth.
This bridge is in Southern Utah , United states of america and was created over a period of millions of years ago.
The style of this bridge is an Natural arch bridge.
On this bridge you can not drive or even walk.
This bridge has a span that is about 85 meters and arches 94 meters over a gorge. It has enough space for two lanes like on the road. But they have not built one on the rainbow bridge because it is really unsafe. The top of the gorge is 10 meters wide.
The Rainbow Bridge is surrounded by a canyon.
In 1910 the president William Howard Taft declared it in a national monument.
Visitors can either Hike or take a 2hr boat trip to the rainbow bridge.