Sounds like a pair of bolt cutters will solve this problem and when you inevitably get a trespass charge, you can bring it up to the judge. Unfortunately, it sounds like the county doesn't want to bother and a little malicious compliance will go a long ways here.
“There is a cult of ignorance in the United States, and there has always been. The strain of anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge.”
― Issac Asimov
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