The Stampede Saloon in Fort Worth, Texas which appeared on season 6 (3rd set) of Bar Rescue has closed. The bar stopped posting on its Facebook page in late 2021 and it appears they closed around the same time. The bar is also marked as 'Closed' on all of the online review sites.
During the Bar Rescue makeover, Whiskey Girl Saloon was renamed to The Stampede Saloon and the update for the episode can be found here. The episode originally aired in July 2019 and you may recall that when the episode for The Stampede Saloon, the bar was closed. They did reopen again though and stayed open until 2021.
A new bar has opened in The Stampede Saloon location called Rhinestone Saloon, but nobody from the Bar Rescue episode is involved. However, in looking at The Stampeded Saloon owners (Rick Roundhouse and Fred) Facebook pages, they are planning on opening another bar in Fort Worth, Texas called Koe Wetzel's Riot Room that will open in early 2023.
The Stampede Saloon has now been marked as 'Closed' on the Bar Rescue Updates page.