Most schools accomodate a different campus visit day. Just e-mail them. If you have more than one school to visit, you can even ask them to share the costs in a way they find suitable.
Are you a domestic applicant? I am also admitted but did not receive any info regarding the prospective student event. It might have something to do with me being an international applicant. Maybe they do not have the budget to reimburse overseas tickets. Is your expenses covered by the university?
I had the same, now it changed to "decision made". It says:
please allow one business day to view your decision once your status on this page has been updated to Decision Made