an Entity references as follows:
The Carroll Street Bridge is a retractable bridge in New York City, crossing the Gowanus Canal in Brooklyn. It carries a single wooden-decked lane for one-way eastbound vehicular traffic and two walkways. Completed in 1889, it is operated by the New York City Department of Transportation, with an average of about one thousand crossings each weekday. It is the oldest of the four remaining retractable bridges in the United States and is an official city landmark.