1. The Congress Avenue Bridge in Austin, Texas, is a popular tourist attraction known for its colony of Mexican free-tailed bats. During the summer months, visitors can watch as up to 1.5 million bats emerge from under the bridge at dusk. The bats serve an important ecological purpose by consuming tons of insects each night. The bridge itself was built in 1910 and spans the Colorado River. It was added to the National Register of Historic Places in 1976. The bridge also serves as a popular spot for pedestrians and cyclists, with a dedicated lane for each.

2. The Congress Avenue Bridge is open 24 hours a day for pedestrian and bicycle traffic. There is no entry fee to access the bridge. The phone number for the Austin Convention and Visitors Bureau is (800) 926-2282.

3. There is no ticket info for the Congress Avenue Bridge. The bridge is accessible by car, bike, or foot, and there are several parking options available nearby. Public transportation is also available in the form of buses and trains. Visitors are encouraged to be mindful of the Bridge’s flora and fauna, including the bat colony, and adhere to posted signs and rules.