Yes. At the one end of the 15’ hall it makes a turn and opens up into a wider hall space that leads into the bonus room.Well if there is no wall space then you're stuck with a floor receptacle. Did you say that one hall intersects with another? Is that part of the 15' length?
That is the area I spoke of where I have a wall receptacle. It’s about 30” “down the hall” that leads to the bonus room.