By the way, the County recently closed its garage east of the Morgue between Fourth and Third:
http://www.post-gazette.com/stories/...closed-214716/
It is this building visible from the Crosstown ramps:
http://g.co/maps/ph3bt
That building or lot, plus the surface parking lot across Third Avenue, could be a nice place to infill the Chinatown subneighborhood.