Just after 1 am a Stevens Transport dry bulk truck was eastbound on Sh 99 at Gossling when for unknown reasons he left the roadway. The truck ran between the eastbound and westbound overpass and dropped to the road below. The driver was uninjured. The truck has been removed by Milstead Heavy Duty. HAZMAT International is on scene cleaning the road surface of Gossling of spilled diesel and motor oil. SH 99 is open.