At least a 6, probably higher. Word was it was pretty structurally dangerous when it was over-capacity and they were going to tear it down even before the remodel. The last few years of it's existence when it was packed to the very top most games, you could feel it creaking even in the first row. Probably wasn't as bad as the old bleacher seats in the upper bowl at pre-renovation SIU Arena, but pretty close.Phantom, et al .. I never sat in the zoo. On a scale of 1 to 10, how close was that thing to collapsing ?