Louisa Bridge, originally constructed 1850 by Thomas Crampton, reconstructed 1994.

Also referred to as the Louisa Bay Bridge or Louisa Gap Bridge, it was constructed by the noted locomotive engineer as a benefaction to the town in which he was born. The bridge is named after his daughter. https://www.cramptontower.co.uk/in-broadstairs There are two identical plaques, one at each end of the bridge.