text: Inconsistent road naming, from north to south:
  name = Sernftalstrasse, ref = 422;
  no name, ref = 422;
  no name, ref = 422;
  on the bridge, nothing at all;
  name = Sernftallstrasse, no ref
  
  PLEASE proof-read and triple check any additions you make to the database.  You wouldn't like it if the people who wrote the software you use were this lazy.