When I see stuff like this, I'm always skeptical that they are healthy, usually something is wrong for them to roost outside of cover like this and in a high traffic area.
he's waiting for someone to use the door, at which point he will drop to deliver his rabies payload, and you won't convince me otherwise, bats mean business, rabies is up there with like sinkholes and someone crashing a giant truck into my wall while i'm sleeping