Jetty? Pier? Mooring?

I can't quite think what the purpose of this platform is, let alone what it is best described as (jetty? pier? mooring?).

It sits on the Staffs & Worcester canal at Acton Trussell, but is not near any house... Hmm.

I guess it could be a restful platform from which to watch the boats go by, but why didn't they just site the benches on the grass? Or is it a fishing-point?  It doesn't look strong enough for a mooring.