Florida Wildfire Threatens Homes, Closes Roads VOLUSIA COUNTY, Fla. -- A massive wildfire in Volusia and Brevard counties grew to more than 10,000 acres and was still burning, officials said Tuesday morning. It jumped both I-95 and US-1, shutting the major roads in two counties. The fire burned a mobile home near Mims overnight. It's one of at least three structures that burned, including a large shed nearby and a cabin set deeper the woods.