I would at least give them a couple months, it takes most companies that long (or longer) to update their site. I don't think it would be burning bridges if you

I would at least give them a couple months, it takes most companies that long (or longer) to update their site. I don't think it would be burning bridges if you email them in a couple months if it's still up. You could always say someone contacted you requesting help since the information was still up, that the last thing they want is their customers coming to you.