New River Gorge visitors are now able to walk across the canyon on a 24 inch wide catwalk 850 feet above the river. The catwalk is an existing part of the structure of the New River Gorge Bridge. Bridge Walk is for anyone who is willing and able to walk 1.5 miles. Bridge Walk participants must be at least 48 inches tall, 10 years or older and weigh less than 285 lbs. nn