The jury in the lawsuits that are driving ADA these days.
They have hit teams of people who make a living probing the law to see what is says with law suits.
It is not like a building code with somewhat clearly defined rules.
One "denied" camper could change the way the law is enforced.
Safe answer, install a pole or two with the "operable parts" 15-48", slap handicapped sticker on it and hope they go after someone else.