 It provides direct access to the city of Hudson from the Rip Van Winkle Bridge whereas NY 23 bypasses it to the south.NY 23B was assigned in the late 1950s after NY 23 was moved onto its current alignment south of Hudson.NY 23B forks from its parent, NY 23, south of the city of Hudson and a half-mile (0.8 km) east of the Rip Van Winkle Bridge in Greenport, Columbia County.