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

The Ninth Street Bridge is renamed the Rachel Carson Bridge on Earth Day to honor the renowned environmentalist and author of the influential “Silent Spring.”

2023年9月23日 · The Rachel Carson Bridge, also commonly known as the Ninth Street Bridge, serves as a significant landmark in the heart of Downtown Pittsburgh, PA. This remarkable structure stretches across the Allegheny River, providing a …

2022年2月2日 · Originally constructed from 1924 to 1928 to span the Allegheny River in Pittsburgh, Pennsylvania, they were the first self-anchored suspension bridges constructed in the U.S. and remain the only trio of identical, side-by-side bridges in the world.

2020年11月23日 · The Allegheny County Department of Public Works announced Monday that the Rachel Carson Bridge, formerly known as the Ninth Street Bridge, has reopened. It’s been closed since February 2019 for a...

2009年7月10日 · The Ninth Street Bridge is one of three identical bridges that sit by side and are known as the "Three Sisters Bridges." They are unusual bridges due to the fact that instead of having cables, they use eye-bars.

Photos, data and history for bridge and tunnel structures in Allegheny County and Pittsburgh, Pennsylvania.

2020年11月30日 · Allegheny County’s Rachel Carson Bridge, re-named for the locally born, renowned environmentalist, is one of the city’s three “Sister Bridges.” These 3 golden self-anchored suspension bridges were the first of their kind in the United States.

The Rachel Carson Bridge spans the Allegheny River and connects Pittsburgh's downtown with its North Shore. A close-up of the one of the eye-bar catenaries that were used rather than traditional steel cables.

2013年7月21日 · Rachel Carson Bridge honors writer, scientist whose book on pesticides launched the environmental movement.