IRWIN HOHN
AUTHORIZEDDBA: HOHN & SON TRUCKING INC
USDOT
563936
MC Number
N/A
Fleet Size
9
Total Drivers
9
Last updated: March 16, 2026
Safety overview
IRWIN HOHN is a small intrastate only (hazmat) motor carrier based in MITCHELL, South Dakota, operating 9 power units with 9 drivers. Their safety profile raises flags: 3 of 5 BASIC categories exceed the 75th percentile, which is where FMCSA considers stepping in. Their driver out-of-service rate of 0.0% comes in under the 5.51% national average. No crashes on file. FMCSA records show 1 inspection for this carrier.
BASIC scores
SMS PercentilesHigher percentile = worse performance relative to peers. Scores at or above 75% may trigger an FMCSA investigation.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in South Dakota is 7.6% and the average vehicle OOS rate is 29.8% across 6,099 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Intrastate Only (Hazmat)
- Operation Classification
- Private (Property)
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
What are BASIC scores?
FMCSA tracks carrier performance through its Safety Measurement System (SMS), which scores carriers across six categories called BASICs. Each score is a percentile from 0 to 100, based on inspection and crash data from the past 24 months.
A score of 65 means the carrier performed worse than 65% of its peers. Anything above 75% can trigger FMCSA alerts or investigations. Brokers vetting new carriers should pay attention to scores above 50%.
- Unsafe driving
- Speeding, reckless driving, improper lane changes, seatbelt violations. All based on what officers find during roadside inspections.
- HOS / Fatigue
- Hours-of-service violations, logbook problems, driving past the allowed limits. Fatigued driving is one of the top causes of truck crashes in the US.
- Driver fitness
- Licensing problems, expired medical certificates, and other driver qualification issues.
- Controlled substances
- Drug and alcohol testing violations, possession, or impairment.
- Vehicle maintenance
- Brake problems, tire issues, lighting defects, load securement failures. Caught during the vehicle portion of roadside inspections.
- Crash indicator
- Based on crash history from state-reported data. Higher percentile means more crashes relative to the carrier's size and mileage.
Inspections
1
Total
50%
Driver %
Crash history
0
Total Crashes
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Frequently asked questions
Is IRWIN HOHN authorized to operate?
Yes. IRWIN HOHN (USDOT #563936) currently holds "AUTHORIZED" status with FMCSA. They're registered as an intrastate only (hazmat) carrier.
What is IRWIN HOHN's safety record?
IRWIN HOHN has 3 BASIC scores above the 75th percentile, which is where FMCSA may look into a carrier. Brokers should weigh these scores alongside the inspection history and crash data before making a decision.
How many trucks does IRWIN HOHN operate?
IRWIN HOHN operates 9 power units with 9 drivers on file. That makes them a small carrier.
Does IRWIN HOHN transport hazardous materials?
No. IRWIN HOHN does not have a hazardous materials flag in the FMCSA database.
Where is IRWIN HOHN located?
IRWIN HOHN is based in MITCHELL, South Dakota at 401 E ASH AVENUE, 57301. Phone: (605) 996-2019.
What are IRWIN HOHN's out-of-service rates?
IRWIN HOHN's driver out-of-service rate is 0.0%, compared to the national average of 5.51%. Below average, which is a good sign. Their vehicle out-of-service rate is 0.0% (national average: 20.72%). Below average, suggesting the fleet is well-maintained.