2022 Railway Bridge, Banksia - Heritage Advice Banksia Subway Road during a flood, circa 1930s. This was likely from the storm of 1 February 1938, when a woman had to be rescued when she was trapped by 10ft high flash flood waters in the low-lying Banksia Station Booking Office. The vehicular subway was reportedly flooded to a height of 14 ft. [Bayside Council Library] Roads, Bridges and TransportSydney - SouthernHeritage Advice Author: Dr Sid French, Dr Sue Rosen, Liz Gorman Client: Bayside Council We investigated the history and structural integrity of a 1923 vehicular subway bridge, as part of Council’s process to repair its damaged brick elements,