Congress Bridge Bats

Austin, United States

Congress Bridge Bats

8.6

The Ann W. Richards Congress Avenue Bridge (formerly known simply as the Congress Avenue Bridge) crosses over Lady Bird Lake in Austin, Texas. Before construction of the Longhorn Dam was completed in 1960, the bridge crossed the Colorado River from which Lady Bird Lake is impounded. The bridge was known as the Congress Avenue Bridge from the construction of the first span across the Colorado River at that location in the late 19th century until November 16, 2006, when the Austin City Council renamed the current bridge in honor of Ann W. Richards, the 45th Governor of Texas and a long-term resident of Austin. The bridge is a concrete arch bridge with three southbound and three northbound vehicle lanes and sidewalks on both sides of the bridge.

The bridge is currently home to the world's largest urban bat colony. It is a maternity colony, meaning it is a place where pregnant females come to roost in the spring and raise their pups from mid summer to fall. Until the pups are born, male bats are not under the bridge.




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