Congress Avenue Bridge In Austin, TX

Overview: Interesting Facts

Congress Avenue Bridge is an iconic landmark in Austin, Texas. It spans Lady Bird Lake and is famous for its bat colony. Every summer, around 1.5 million Mexican free-tailed bats roost under the bridge, making it the largest urban bat colony in North America. At sunset, visitors gather to witness the bats emerge en masse, creating a spectacular sight as they take to the skies to feed on insects. 

The bridge was built in 1910 and has undergone several renovations over the years. In addition to its bat population, the bridge is a popular spot for walking, running, and biking, offering stunning views of the city skyline and the lake. The Congress Avenue Bridge is a must-see attraction for anyone visiting Austin, offering a unique natural wonder that is both fascinating and awe-inspiring.

Brief History Of Congress Avenue Bridge

Before the current bridge, the original structure was a floating bridge. In 1875, a wooden toll bridge was built at a total cost of $100,000, which included the cost of the bridge, dykes, and culvert over the Bouldin Branch. However, an accident involving a herd of cows caused the bridge to give in. Fast forward to 1884, a new iron bridge was built. The bridge had sufficient spans allowing for the highest overflow.

In 1892 and 1987, the bridge underwent repairs, with the city incurring half the total expenses of re-flooring. The repairs were completed in 1902. In several years, bridge traffic increased drastically, creating a need for a new bridge. Plans were made to construct a concrete arch bridge—the current Congress Avenue Bridge.


The bridge was officially opened on 4th April 1910. After being in use for 70 years, Avenue Bridge underwent rehabilitation in 1980. The bridge was renamed on 16th November 2006 as the Anne Richards Congress Avenue Bridge during a weakly Austin TX City Council meeting. It is a popular attraction for both locals and tourists interested in seeing bats emerging at night.

In 2006, the bridge underwent another renovation. The project included the construction of a bat observation deck that allows tourists to watch the bats emerge. In 2017, the bridge underwent a $10.4 million renovation. It included structural improvements and new lighting. The bridge and its bat colony have become an iconic attraction in Austin.

The Bat Festival

The Bat Festival in Austin celebrates the Mexican free-tailed bats that reside under the Congress Avenue Bridge. It usually takes place in August, attracting thousands of spectators. The festival features live music, food vendors, and bat-themed activities. Visitors can watch the bats emerge at dusk. The bats’ flight patterns create an impressive spectacle as they swarm for food. 

This event is a unique and exciting way to experience Austin’s local wildlife while also enjoying the city’s vibrant culture. The festival also raises awareness about the importance of protecting bats and their habitat. It’s a must-see event for anyone visiting Austin during the summer months.

Other Nearby Attractions

The Congress Avenue Bridge is iconic with its main attraction being the nightly bat emergence, where over a million bats fly out from under the bridge at sunset. Here are some other attractions near the Congress Avenue Bridge.

  • Lady Bird Lake: A beautiful body of water in downtown Austin where you can rent kayaks, paddleboards, and canoes.
  • Texas State Capitol: The stunning Texas State Capitol building is just a short walk from the bridge and offers free tours.
  • South Congress Avenue: A trendy shopping and dining area featuring unique boutiques, vintage shops, and delicious food trucks.
  • Ann W. Richards Congress Avenue Bridge: Named after the former governor of Texas, this bridge is located just south of the Congress Avenue Bridge and offers beautiful views of downtown Austin.
  • Mexic-Arte Museum: This museum showcases Mexican, Latino, and Latin American art and is located just a few blocks from the bridge.

Whether you’re interested in nature, history, or culture, the area around the Congress Avenue Bridge has something for everyone.


The Congress Avenue Bridge is home to the largest urban bat colony in North America. The bats were first noticed in the 1980s, and now millions of Mexican free-tailed bats migrate there each year. The annual Bat Fest draws thousands of visitors to watch the bats take flight. Nearby attractions include the Texas State Capitol and Lady Bird Lake. The bridge has also become a popular spot for kayaking and paddleboarding.

Driving Directions To Lincoln-Goldfinch Law From Congress Avenue Bridge

Driving Directions From Congress Avenue Bridge To University Of Texas

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