Here's one block over on Shattuck - all of these buildings in this picture are at least 30 years old. The two-story one has a tall building approved for the site, but construction unlikely to start until interest rates go down or other economic conditions improve.
A thread on the larger idea, going beyond the narrow commercial strip and adding housing on the backside of the block, and the next block over. bsky.app/profile/alfr...
Denver's Colfax is shaping up this way, with large new apartments on 16th and 17th and the older stock to the south in Cap Hill. I am sure that the ten miles of BRT that will be complete next year will encourage this pattern along more of the corridor.
I frequently am trying to explain this idea to people and end up just pointing them to your explanation