It contains a working mechanism for operating the drawbridge and the portcullis. The Black Gate was approached via a drawbridge across a moat. There was originally a drawbridge over the moat in the north east. Castles were surrounded by a deep moat, spanned by a single drawbridge. It was reached by a stone causeway across a ditch, rather than a drawbridge. That bridge connects to another bridge, a wooden drawbridge which can be pulled up. Jack defeats and beheads the giant with a trick involving the house's moat and drawbridge. The drawbridge over the moat had been raised at 6&colon;00 pm. Eshima Ohashi Bridge replaced the previous drawbridge. Castles were surrounded by deep moats, spanned by a single drawbridge. The castle is accessed via a high bridge, which replaced an earlier drawbridge. The Octagon was connected to a barbican by a bridge, probably a drawbridge. Pull up the drawbridge and revolutionize the fortress. This movable bridge is also known as the 'Flying' Drawbridge. The castle itself possesses its own drawbridge and ditch leading to a central keep.