In California, you can't get a DUI on a bicycle anymore. Since 2012 (I think) they changed it to a CUI, or cycling under the influence, which carries no more than a $250 fine, no jail time, but is a misdemeanor if convicted, meaning you have a criminal record.
It was after the infamous OP Pro riot in Huntington beach in 1986 they made laws allowing you to get a DUI on a bike, skateboard, skates and scooters, and for drinking in your front yard, among other BS laws to keep the people in line, but so many people fought their tickets and won, (and other political reasons) they dumped that law.
I've been stopped many, many times while riding home from bars and never got a ticket, due to my awesome drunk-biking skills, and by not being a dick to the cops.
When they told me I could get a DUI on a bicycle, I always replied, "well, I might as well just drive then..." and that usually gets a laugh outta them and a "go home."
But I never rode drunk with apehangers (or sober, for that matter.) 'Cause those bars are just silly.