IIRC that's the vacant hotel that's directly across the river from the Sheraton. If so there's a boat crossing just upstram that goes just upstream of the Sheraton. I'll check my trip photos and report back.

EDIT:
OK, I'm back. Yes, that's the hotel right across from the Sheraton. We had heard the "sinking building" stories when we were there in 2002. Yet another reason to make a return trip sometime in late '05...