See discussion at Wikipedia talk:WikiProject Rivers#More tributary disambiguators to update --> [[]], and bot request at Wikipedia:Bot requests#Move 500 River articles per consensus on tributary disambiguator --> [[]].
List as of June 4 2020 of branchs, run, creeks, and rivers that are disambiguated by creek or river.
If the right-side link is blue, it's probably been done in the meantime.
First list done; new list from Certes.