Ann W. Richards Congress Avenue Bridge was created in 1910.
Not sure if this is what you're after, but the Ann W. Richards Congress Avenue Bridge is home to the world's largest urban bat colony, with 1.5 million bats.
Richards Covered Bridge was created in 1852.
Court Avenue Bridge was created in 1918.
Hardenburgh Avenue Bridge was created in 1875.
Queen Avenue Bridge was created in 1905.
Plymouth Avenue Bridge was created in 1983.
Adams Avenue Bridge was created in 1901.
Lafayette Avenue Bridge was created in 1938.
Lane Avenue Bridge was created in 2003.
International Avenue Bridge was created in 2009.
Hennepin Avenue Bridge was created in 1876.
Main Avenue Bridge was created in 1939.