By Nathan Cate, Nashville Criminal Defense Attorney | Cate Law
A first-offense DUI in Tennessee is not a traffic ticket. It’s a Class A misdemeanor — the most serious kind of misdemeanor Tennessee recognizes — and it carries mandatory jail time, a mandatory license revocation, and a permanent criminal record if convicted.
If you’re reading this, you or someone you love was probably just arrested. I want you to know what you’re actually facing. Not the scariest version and not the “don’t worry about it” version — the real version, from a Nashville criminal defense attorney who tries these cases in Davidson County court every week.
What the State Has to Prove
Under [Tenn. Code Ann. § 55-10-401](https://law.justia.com/codes/tennessee/), DUI in Tennessee means driving (or being in physical control of) a motor vehicle on a public road:
- While under the influence of alcohol, drugs, or any intoxicant that impairs your ability to drive safely, or
- With a blood alcohol concentration (BAC) of 0.08 or more (0.04 for commercial drivers, 0.02 for drivers under 21)
That “physical control” language is important — Tennessee can charge DUI even if the car wasn’t moving. Sleeping it off in the driver’s seat with the keys in the ignition has been enough.
First-Offense DUI Penalties
The mandatory minimum sentences for a first-offense DUI conviction in Tennessee are set by statute. The judge has very little discretion to go below them.
Jail
- Minimum: 48 hours in jail (in Davidson County, this is typically served consecutively at the jail)
- Minimum if BAC was 0.20 or higher: 7 days in jail
- Maximum: 11 months, 29 days (same as any Class A misdemeanor ceiling)
Fines
- $350 minimum fine
- Up to $1,500 maximum
- Plus court costs, BAC test fees, and other assessments — most first-offense DUIs end up costing $1,500–$3,500 out of pocket in fees alone
License Revocation
- 1 year license revocation
- Restricted license with an ignition interlock device may be available immediately in many cases
Ignition Interlock
- In many first-offense cases, an ignition interlock is required for the restricted license period. This is the breathalyzer device installed in your car that prevents it from starting if it detects alcohol.
Alcohol Safety / DUI School
- Mandatory completion of an alcohol and drug safety program
Probation
- Typically 11 months and 29 days of supervised probation following jail time, with conditions: no alcohol, no driving without a valid license, random testing
Community Service
- May be imposed in addition to or in place of some jail time
What Makes a “First-Offense” Not First
A DUI is a first offense if you have no prior DUI convictions within the look-back period. In Tennessee, the look-back for DUI enhancement is essentially 10 years — and in some calculations, it’s longer.
A few things that can change a “first offense” into something worse:
- Prior DUI in another state. Tennessee counts out-of-state DUI convictions toward enhancement.
- High BAC (0.20+). Triggers the 7-day minimum.
- Child in the car (under 18). Becomes DUI with a minor — a Class D felony under § 55-10-402(d).
- Accident with injury. Can trigger vehicular assault (Class D felony) or aggravated assault charges.
- Accident with death. Vehicular homicide under § 39-13-213 — a Class C or B felony depending on the facts.
If any of these apply, you’re not looking at a first-offense DUI anymore, and the stakes change completely.
What Actually Happens After Arrest in Davidson County
1. Booking and Bond
After a DUI arrest in Nashville, you’re taken to the Davidson County Sheriff’s Office. You’ll be booked, fingerprinted, and held for a minimum observation period (usually 8-12 hours) before a bond can be posted. Most first-offense DUIs have a bond between $1,000 and $2,500.
2. General Sessions Arraignment
Your first court appearance is in Davidson County General Sessions Court. The judge reads the charge, you enter a plea (almost always “not guilty” at this stage), and the case is set for a preliminary hearing or plea date.
3. Preliminary Hearing
At the preliminary hearing, the State has to show probable cause for the DUI. Your lawyer can cross-examine the arresting officer. This is one of the best opportunities to lock in officer testimony, find inconsistencies, and learn exactly what the State’s evidence looks like.
4. Settlement Conference or Trial Date
Most DUIs don’t go to trial. They settle through a plea agreement, a reduction, a diversion (if eligible), or a dismissal after motion practice. But the willingness to go to trial is what creates leverage for better outcomes.
5. Motions
Your attorney should be filing:
- Motion to suppress the stop (was the traffic stop legal?)
- Motion to suppress the BAC/blood draw (was the test performed correctly? Was the warrant valid?)
- Motion to suppress statements (were Miranda rights given?)
- Motion in limine (limiting what the State can bring up at trial)
A DUI case won or lost often comes down to one of these motions.
Common Defenses to First-Offense DUI
1. Illegal Stop
If the officer didn’t have reasonable suspicion to pull you over, everything that came after — field tests, breath test, arrest — gets suppressed. Cases have been dismissed on stops as thin as “weaving within the lane.”
2. Faulty Field Sobriety Tests
The NHTSA-standardized tests (HGN, Walk-and-Turn, One-Leg Stand) have specific administration rules. Officers routinely skip instructions, grade wrong, or test on uneven ground. A well-trained defense attorney can expose these errors on cross-examination.
3. Breath Test Challenges
Tennessee uses the Intoximeter EC/IR II. The machine has to be calibrated, certified, and operated by a trained officer. Calibration records, maintenance logs, and the 20-minute observation period are all attackable.
4. Blood Draw Challenges
Chain of custody, lab procedures, warrant language — blood cases have multiple points of failure. An independent expert can review the raw chromatogram data for errors.
5. Rising BAC Defense
Alcohol takes time to absorb. If you drank shortly before driving, your BAC at the time you were actually driving may have been below the 0.08 threshold — even if the test later showed above it. The timeline matters.
6. Medical Conditions
GERD, diabetes, ketosis, and certain medications can produce false positives on breath tests. If you have a relevant medical condition, your doctor’s records become evidence.
What About Judicial Diversion?
Judicial diversion — where successful completion of probation results in a dismissed charge — is not available for DUI in Tennessee. It’s explicitly excluded by statute.
This is why first-offense DUI is so important to fight. There’s no “I’ll just do diversion and move on” option. Either you plead guilty and have a DUI conviction forever (not expungeable under most circumstances), or you fight it.
Can a First-Offense DUI Be Expunged?
Tennessee law was amended in 2018 to allow certain DUI convictions to be expunged, but the path is narrow:
- You must have no prior DUIs and no other convictions
- Typically a 5-year waiting period after sentence completion
- You must petition the court and meet all statutory conditions
Many people assume a DUI goes away automatically after time passes. It does not. Without an expungement petition, the DUI stays on your record forever — showing up on every background check for jobs, apartments, and licenses.
Collateral Consequences People Don’t Think About
The statutory penalties are only part of the damage. A DUI conviction also carries:
- Insurance increases: SR-22 requirement, premium increases that can add $2,000–$5,000/year for 3–5 years
- Employment impact: Any job requiring driving, any professional license, any security clearance, any bonded position
- Immigration consequences: Non-citizens can face deportation or inadmissibility depending on the specific charge
- Child custody: A DUI conviction is routinely used against parents in custody disputes
- Travel restrictions: Canada denies entry to anyone with a DUI for 5–10 years after conviction
- Commercial driving: A single DUI in any vehicle ends a CDL career under federal law
Frequently Asked Questions
How long does a first-offense DUI case take?
Anywhere from 3 months to over a year, depending on complexity, court backlogs, and whether it goes to trial. Nashville General Sessions typically resolves first-offense DUIs in 4–8 months.
Should I just plead guilty and get it over with?
Rarely the right move. Even if the evidence looks bad, a good attorney can often reduce a DUI to reckless driving, negotiate alternative sentencing, or find a suppression issue that changes the case entirely. The first plea offer is almost never the best offer.
Can I drive at all during the revocation period?
In many first-offense cases, yes — with a restricted license and an ignition interlock device. The rules depend on the specific facts and the judge.
Will a DUI show up on background checks?
Yes, indefinitely, unless expunged. Arrest records, court dispositions, and convictions all appear.
Can I still get into Canada with a DUI?
Canada generally denies entry to anyone with a DUI conviction for at least 5 years. A one-time “Temporary Resident Permit” can sometimes be granted. Plan ahead.
What does a Nashville DUI lawyer cost?
It depends on the complexity. Expect a flat fee in the range of $2,500–$7,500 for most first-offense cases, higher if it goes to trial. Given the $3,500+ in court-imposed fees and the insurance hit a conviction brings, a good defense often pays for itself.
One Thing I Want You to Remember
A first-offense DUI is the one you fight hardest, because it’s the one that defines whether you have a “DUI on your record” for the rest of your life. Every subsequent charge — every job application, every insurance renewal — flows from what happens in this case.
The prosecutor isn’t going to offer you the deal that’s best for you. They’re going to offer you the deal that’s easiest for them. A defense attorney’s job is to make it harder for them to close your case without giving you something real.
Arrested for DUI in Nashville? Call Me.
If you’re facing a first-offense DUI in Davidson County or anywhere in Middle Tennessee, the first 72 hours matter most. Evidence gets stale. Bodycam footage needs to be preserved. The arraignment clock is already ticking.
📞 Call or text (615) 664-8083 Free, confidential consultation. Available 24/7. Cate Law — 222 2nd Ave N, Suite 220, Nashville, TN 37201
This article is general information, not legal advice. DUI cases vary significantly based on specific facts. For advice on your situation, contact Cate Law for a free consultation.
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