Unable to answer "What’s the structure of this bridge?" – Bridge Area – osm.org/way/1218813401 via StreetComplete 58.2:

Es ist eine typische "Bachdurchführung" mit Gehweg rechts...

Attached photo(s):
https://westnordost.de/p/233972.jpg
https://westnordost.de/p/233973.jpg

Unable to answer "Do these steps have a handrail?" – Steps – osm.org/way/321286522 via StreetComplete 58.2:

Not exactly stairs

Attached photo(s):
https://westnordost.de/p/237603.jpg