Southbound Interstate-17 was closed for hours Friday morning in Camp Verde. DPS says a tractor-trailer caught fire at around 1:45 a.m. at milepost 290, which is the Middle Verde Road exit. ADOT had to close the highway and re-route traffic onto Montezuma Highway to Finnie Flat and back to I-17. DPS says there were no injuries in the incident. The interstate reopened after being closed for around ten hours.