it's not all that bad, it's a bit scruffy especially around the precinct where John Lester and Eddie Coleman court are (student halls) but theres no trouble there cos it's right next door to the police station, it's definitely not as bad as Eccles though, but it was only the school of nursing that was based there and they've moved now, athough i think Little Hulton's probably the roughest part of Salford, and thats a fair way away from the uni...it's nearer Bolton.
but to be honest you'll probably not veture into Salford all that much what with the uni being right by Manchester city centre, you'll more than likely end up in Manc....it's pretty much the same as any other city.