Base Jumping off of Perrine Bridge in Twin Falls Idaho. The Perrine Bridge is approximately 1,500 feet (457 m) in total length, with a main span of 993 feet (303 m) and a deck height of 486 feet (148 m) above the Snake River it is the eighth highest bridge in the United States.
The Perrine Bridge is a popular BASE jumping site known all over the world;[14] it may be the only man-made structure in the United States where BASE jumping is allowed year-round without a permit.[15] Jumpers often use the nearby visitor center as a home base before and after parachuting from the bridge.
