The OS map marks 'Sea Bank' to the left of the road. Further south the Roman Bank is regarded as an 'ancient sea defence', and listed as an Ancient Monument https://historicengland.org.uk/listing/the-list/list-entry/1006887
Uploaded to Geograph by Tim Heaton on 6 February 2017
Photo © Tim Heaton, 6 February 2017. Licensed for reuse under this Creative Commons licence