This is some of the remains of the railway bridge over Langstone Harbour to Hayling Island from the mainland.
Did more of my DofE challenge of the Shipwrights Way which is called the Billy Line, but cycled it and got very muddy. (11+ miles Sue!!)
@karens54 yes it does. It stopped foronths but a private concern have taken it on £5 a trip. Would have done found trip but promise of cuppa at friend's house too compelling!