Webthe current jail which opened in 1991 was designed to hold 2,000 people. But it’s averaged over 2,600 a day. Waters said he would like to see a new facility that could. Weba new duval county jail could be built within the next few years. A new report found the issues with the sheriff’s office’s current facilities and provided. Webtwo jacksonville legislators called on the department of justice to investigate duval county’s jail after the tributary found the death rate among inmates. Webthe jacksonville sheriff's office is investigating the death of an inmate inside the duval county jail, in which foul play is believed to be involved.