Welcome to the Union County Superintendent of Highways, your trusted local government office dedicated to maintaining and improving the transportation infrastructure in Union County. Located at 306 West Mississippi Street, Jonesboro, Illinois, our office is committed to ensuring safe and efficient travel for all residents and visitors. We oversee the planning, construction, and maintenance of county roads and bridges, working diligently to enhance connectivity and support economic growth in our community. Our team of professionals is here to address your concerns and provide information on road conditions, construction projects, and transportation planning. Visit us to learn more about our services and how we are working to keep Union County moving forward.