Regular Hours:Dyckman Bridge Hours Effective Tuesday, March 16, 2010 the Dyckman Avenue Bascule Bridge will operate from 8:00 AM to 8:00 PM on the hour and half-hour except 12:00 NOON and 1:00PM, Monday through Friday. On Saturday and Sunday the bridge will operate from 8:00 AM to 8:00 PM on the hour and the half-hour. From 8:00 PM to 11:00 PM the bridge will open upon three hours advance notice. Effective Sunday, April 18, 2010 the bridge will operate as follows: Monday through Thursday 7:00 AM – 11:00 PM Friday 7:00 AM – Midnight (except 12:00 noon & 1:00 PM) Saturday & Sunday 6:00 AM - Midnight Holidays 6:00 AM - Midnight