You might want to call and check on that. Seriously, call and ask them like you're trying to find out for someone else or something.

I don't know what state you live in, but in lots of them, all the different law enforcement systems (police, sheriff, constable, department of public safety/transportation) get flagged when there are warrants and they may well take you in if you show up there. These might only be felony warrants, not misdemeanor bench warrants. It'd certainly be worth looking into before you risked it, though.