I believe it followed the bank of the river, crossing Canacadea Creek, the building I mentioned is a little south of there. Going to guess that's Agnes-related flood control if not somewhat earlier, the creek's banks are pretty clearly man-made with concrete.
Even in the most recent street view of 21/36 the scars of that patch job are present.
Even in the most recent street view of 21/36 the scars of that patch job are present.