Welcome to the Jones County Secondary Roads web site. The Secondary Roads Department is responsible for design, construction, and maintenance of over 800 miles of county roads and more than 190 bridges within Jones County, Iowa. We've created this site to help you more easily obtain information about our policies, and to download commonly used forms and maps. If you have concerns, questions, or comments, please contact us via e-mail or using the information below. Also, be sure to check out the county-wide web site for information about other county offices.