Rachel Carson Bridge

Rachel Carson Bridge, also known as the Ninth Street Bridge, spans the Allegheny River in Downtown Pittsburgh, Pennsylvania.

Named for the naturalist Rachel Carson, a Pittsburgh native, it is one of three parallel bridges called The Three Sisters, the others being the Roberto Clemente Bridge and the Andy Warhol Bridge. The Three Sisters are self-anchored suspension bridges and are significant because they are the only trio of nearly identical bridges—as well as the first self-anchored suspension spans—built in the United States.

The bridge was renamed on Earth Day, April 22, 2006, after years of lobbying by Esther Barazzone, president of Chatham University, the alma mater of the renowned environmentalist. Carson was born in 1907 in Springdale, Pennsylvania in a farmhouse 18 miles up the Allegheny River, now the Rachel Carson Homestead.

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