Congress avenue bridge

Richards Congress Avenue Bridge crosses over Lady Bird Lake in Austin, Texas. Before construction of the Longhorn Dam was completed in 196 . Every summer night, hundreds of people gather to see the world's largest urban bat colony emerge from under the Congress Avenue Bridge in downtown Austin, . Bats Under the Congress Avenue Bridge Whether you're a tourist or a local, you have to check the bats . Congress Avenue Bridge shelters the largest urban bat colony in North America. At around dusk each night, the Ann W. Richards Congress Avenue Bridge begins to fill with locals and tourists alike.

Every year during March and April Mexican free-tailed bats migrate to Austin from the south and make their home under the Congress Avenue Bridge. Home to the largest urban colony of bats in the US! The nightly ritual of the bats emerging from under the Congress Avenue bridge.