(1) A person who negligently operates a motor vehicle under the influence of alcohol, a controlled substance, any other drug, or any combination of the three, and who causes bodily injury to another, commits the offense of vehicular assault in the second degree. Vehicular assault in the second degree is a Class D offense.

(2) A person who willfully, wantonly or recklessly operates a motor vehicle and causes bodily injury to another commits the offense of vehicular assault in the first degree. Vehicular assault in the first degree is a Class E offense.