1.  A person commits the offense of driving while intoxicated if he or she operates a vehicle while in an intoxicated condition.

 2.  The offense of driving while intoxicated is:

Terms Used In Missouri Laws 577.010

  • Aggravated offender: a person who has been found guilty of:

     (a)  Three or more intoxication-related traffic offenses committed on separate occasions. See Missouri Laws 577.001

  • Chronic offender: a person who has been found guilty of:

     (a)  Four or more intoxication-related traffic offenses committed on separate occasions. See Missouri Laws 577.001

  • Continuous alcohol monitoring: automatically testing breath, blood, or transdermal alcohol concentration levels and tampering attempts at least once every hour, regardless of the location of the person who is being monitored, and regularly transmitting the data. See Missouri Laws 577.001
  • Court: any circuit, associate circuit, or municipal court, including traffic court, but not any juvenile court or treatment court. See Missouri Laws 577.001
  • Defendant: In a civil suit, the person complained against; in a criminal case, the person accused of the crime.
  • Docket: A log containing brief entries of court proceedings.
  • Felony: A crime carrying a penalty of more than a year in prison.
  • Habitual offender: a person who has been found guilty of:

     (a)  Five or more intoxication-related traffic offenses committed on separate occasions. See Missouri Laws 577.001

  • intoxicated condition: when a person is under the influence of alcohol, a controlled substance, or drug, or any combination thereof. See Missouri Laws 577.001
  • Misdemeanor: Usually a petty offense, a less serious crime than a felony, punishable by less than a year of confinement.
  • Persistent offender: a person who has been found guilty of:

     (a)  Two or more intoxication-related traffic offenses committed on separate occasions. See Missouri Laws 577.001

  • person: may extend and be applied to bodies politic and corporate, and to partnerships and other unincorporated associations. See Missouri Laws 1.020
  • Prior offender: a person who has been found guilty of one intoxication-related traffic offense, where such prior offense occurred within five years of the occurrence of the intoxication-related traffic offense for which the person is charged. See Missouri Laws 577.001
  • Probation: A sentencing alternative to imprisonment in which the court releases convicted defendants under supervision as long as certain conditions are observed.

 (1)  A class B misdemeanor;

 (2)  A class A misdemeanor if:

 (a)  The defendant is a prior offender; or

 (b)  A person less than seventeen years of age is present in the vehicle;

 (3)  A class E felony if:

 (a)  The defendant is a persistent offender; or

 (b)  While driving while intoxicated, the defendant acts with criminal negligence to cause physical injury to another person;

 (4)  A class D felony if:

 (a)  The defendant is an aggravated offender;

 (b)  While driving while intoxicated, the defendant acts with criminal negligence to cause physical injury to a law enforcement officer or emergency personnel; or

 (c)  While driving while intoxicated, the defendant acts with criminal negligence to cause serious physical injury to another person;

 (5)  A class C felony if:

 (a)  The defendant is a chronic offender;

 (b)  While driving while intoxicated, the defendant acts with criminal negligence to cause serious physical injury to a law enforcement officer or emergency personnel; or

 (c)  While driving while intoxicated, the defendant acts with criminal negligence to cause the death of another person;

 (6)  A class B felony if:

 (a)  The defendant is a habitual offender;

 (b)  While driving while intoxicated, the defendant acts with criminal negligence to cause the death of a law enforcement officer or emergency personnel;

 (c)  While driving while intoxicated, the defendant acts with criminal negligence to cause the death of any person not a passenger in the vehicle operated by the defendant, including the death of an individual that results from the defendant’s vehicle leaving a highway, as defined in section 301.010, or the highway’s right-of-way;

 (d)  While driving while intoxicated, the defendant acts with criminal negligence to cause the death of two or more persons; or

 (e)  While driving while intoxicated, the defendant acts with criminal negligence to cause the death of any person while he or she has a blood alcohol content of at least eighteen-hundredths of one percent by weight of alcohol in such person’s blood;

 (7)  A class A felony if the defendant has previously been found guilty of an offense under paragraphs (a) to (e) of subdivision (6) of this subsection and is found guilty of a subsequent violation of such paragraphs.

 3.  Notwithstanding the provisions of subsection 2 of this section, a person found guilty of the offense of driving while intoxicated as a first offense shall not be granted a suspended imposition of sentence:

 (1)  Unless such person shall be placed on probation for a minimum of two years; or

 (2)  In a circuit where a DWI court or docket created under section 478.007 or other court-ordered treatment program is available, and where the offense was committed with fifteen-hundredths of one percent or more by weight of alcohol in such person’s blood, unless the individual participates and successfully completes a program under such DWI court or docket or other court-ordered treatment program.

 4.  If a person is found guilty of a second or subsequent offense of driving while intoxicated, the court may order the person to submit to a period of continuous alcohol monitoring or verifiable breath alcohol testing performed a minimum of four times per day as a condition of probation.

 5.  If a person is not granted a suspended imposition of sentence for the reasons described in subsection 3 of this section:

 (1)  If the individual operated the vehicle with fifteen-hundredths to twenty-hundredths of one percent by weight of alcohol in such person’s blood, the required term of imprisonment shall be not less than forty-eight hours;

 (2)  If the individual operated the vehicle with greater than twenty-hundredths of one percent by weight of alcohol in such person’s blood, the required term of imprisonment shall be not less than five days.

 6.  A person found guilty of the offense of driving while intoxicated:

 (1)  As a prior offender, persistent offender, aggravated offender, chronic offender, or habitual offender shall not be granted a suspended imposition of sentence or be sentenced to pay a fine in lieu of a term of imprisonment, section 557.011 to the contrary notwithstanding;

 (2)  As a prior offender shall not be granted parole or probation until he or she has served a minimum of ten days imprisonment:

 (a)  Unless as a condition of such parole or probation such person performs at least thirty days of community service under the supervision of the court in those jurisdictions which have a recognized program for community service; or

 (b)  The offender participates in and successfully completes a program established under section 478.007 or other court-ordered treatment program, if available, and as part of either program, the offender performs at least thirty days of community service under the supervision of the court;

 (3)  As a persistent offender shall not be eligible for parole or probation until he or she has served a minimum of thirty days imprisonment:

 (a)  Unless as a condition of such parole or probation such person performs at least sixty days of community service under the supervision of the court in those jurisdictions which have a recognized program for community service; or

 (b)  The offender participates in and successfully completes a program established under section 478.007 or other court-ordered treatment program, if available, and as part of either program, the offender performs at least sixty days of community service under the supervision of the court;

 (4)  As an aggravated offender shall not be eligible for parole or probation until he or she has served a minimum of sixty days imprisonment;

 (5)  As a chronic or habitual offender shall not be eligible for parole or probation until he or she has served a minimum of two years imprisonment; and

 (6)  Any probation or parole granted under this subsection may include a period of continuous alcohol monitoring or verifiable breath alcohol testing performed a minimum of four times per day.