City State of the Invincible Overlord is the original urban crawl setting. It might not be sufficiently pre-made for your purpose, but every street has shops, NPC's, possible rumors and legends, and unique street encounters:
Cutpurse Row
40% prob of robbery attempt if alone (-10% per comrade)
Festival Street
Prob 20% of harrassment by party of Nobles (Attack only if insulted)
At 40 years old it's not 5e but I've found that converting 1e to 5e is mostly a matter of swapping in 5e NPC's and creatures from the MM.
