 And the Central Idaho Dispatch Zone, which includes the Salmon Chalice National Forest, is now at a very high fire danger level. Forest rangers are asking the public to be extremely careful when camping and to remember to properly maintain and extinguish all campfires. A Rigby man is dead after crashing off an overpass in Bonneville County Thursday. Idaho State Police said the 64-year-old was driving a Honda CRV west on Highway 20 when he left the highway and went into the median and off of the overpass on the south side of Yukon. The driver died at the crash.