Big River, Big Gift: Osceola Steel Mill 'Keeps On Giving' by Jan Cottingham Posted 12/17/2018 12:00 am Updated 6 months ago Big River Steel, which sits on 1,300 acres not far from Osceola in Mississippi County, employs more than 500 workers at an average annual salary exceeding $75,000. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access articles older than 15 days. Articles newer than 15 days are not included in this offer. Purchase Now Already have archive access? Login to view this article.