Sounds like a recreational ride/walk in the making, albeit a short and increasingly wobbly, meandering one
@MossCommuter 's link immediately below your post makes the suggestion that it's now best to split it in two and, given my ability to ride a bike after a few beers, I'd already come to the same conclusion. The London Bridge end has Southwark Brewery, London Beer Factory (Barrel Project), Anspach and Hobday, Moor Beers, Brew by Numbers , U Brew, and soon to open Cloudwater and a bottle shop, in case thirst get the better of you between breweries. The other end has Fourpure, Partizan, Affinity , Eebria (I think this is now more of a bottle shop), Spartan and Bianca Road (if you don't mind a slight detour). If you skip Bianca Road, you'd be pretty close to having 2 Bermondsey Beer Furlongs.