The term 'Bridge Tower' can be broken down into four crossword solutions: Pylon (5 letters), EAST (4 letters), Thames (6 letters), and BABEL (5 letters). A pylon is a tall structure, usually made of metal or concrete, that supports power lines or other cables. The EAST is a cardinal direction, typically referring to the direction in which the sun rises. The Thames is a river in England that flows through London and empties into the North Sea. Finally, BABEL is a reference to the biblical Tower of BABEL, which was an attempt to build a tower that would reach the heavens.