Unable to answer "What’s the surface here?" for https://osm.org/way/31961378 via StreetComplete 50.2:

There is no physical connection here, logical only

Attached photo(s):
https://westnordost.de/p/133068.jpg
https://westnordost.de/p/133069.jpg
https://westnordost.de/p/133070.jpg