The lift bridge was briefly closed Wednesday, July 6th due to an accident during some construction. The bridge has since been placed back in operation and should be observing the normal operational times. The bridge lifts every half hour and can be hailed by VHF radio on Channel 16.
For more information on the accident, you can read the Hamilton Spectators article at http://www.thespec.com/news-story/6755820-worker-suffers-life-threatening-injuries-on-burlington-lift-bridge/.