AuSable Chasm Bridge is a historic steel arch bridge with concrete and stone faced approach spans that carries US 9 over the Ausable River at AuSable between Clinton and Essex Counties, New York. It was built in 1932–1933. The main span is in length, with two foot approach spans, for an overall length with approaches and abutments of . It is approximately wide, with a span height of and overall height of . It was listed on the National Register of Historic Places in 1999. See also List of bridges on the National Register of Historic Places in New York National Register of Historic Places listings in Clinton County, New York National Register of Historic Places listings in Essex County, New York References Road bridges on the National Register of Historic Places in New York (state) Bridges completed in 1933 Bridges in Clinton County, New York Bridges in Essex County, New York National Register of Historic Places in Clinton County, New York National Register of Historic Places in Essex County, New York U.S. Route 9 Bridges of the United States Numbered Highway System Steel bridges in the United States Open-spandrel deck arch bridges in the United States