What is 3 sisters bridges pittsburgh?

The Three Sisters Bridges are a trio of identical, self-anchored suspension bridges that cross the Allegheny River in downtown Pittsburgh, Pennsylvania. The three bridges, named the Roberto Clemente Bridge, Andy Warhol Bridge, and Rachel Carson Bridge, were individually constructed between 1924 and 1928.

The bridges were designed by the Allegheny County Department of Public Works and were originally intended for pedestrian and streetcar traffic. However, they are now used exclusively for pedestrian and vehicular traffic.

The bridges are considered a significant part of Pittsburgh's transportation infrastructure and are admired for their architectural beauty. They offer stunning views of both the Allegheny River and the Pittsburgh skyline.

In recent years, the Roberto Clemente Bridge has become a popular location for public events, including outdoor concerts, festivals, and even a temporary ice skating rink. The Andy Warhol Bridge is known for its colorful light displays in the evenings, adding to the vibrant atmosphere of downtown Pittsburgh.