Senn Brothers Inc is an active interstate carrier based in West Columbia, SC.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 20 | 22 | 4 |
| Tractors | 5 | 1 | 0 |
| Trailers | 12 | 0 | 0 |
| Total Power Units | 52 | ||
Distinct vehicles · 24 mo
vs 52 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 73% | 89% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 96% | 96% | Worse than most peers |
| Controlled Substances | 100% | 99% | Worse than most peers |
| Vehicle Maintenance | 77% | 87% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 8 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2025 | 0 | 2 | 2 | 2 |
| Apr 1, 2025 | 0 | 2 | 1 | 1 |
| Oct 1, 2024 | 0 | 1 | 0 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 20, 2026 | SC | STRAIGHT TRUCK | 0 | 0 |
| Mar 16, 2026 | SC | STRAIGHT TRUCK | 1 | 1 |
| Mar 16, 2026 | SC | STRAIGHT TRUCK | 1 | 1 |
| Feb 25, 2026 | SC | STRAIGHT TRUCK | 1 | 0 |
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| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 7 | 0.92 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 8 | 6.85 | — |
| Driver Fitness | 9 | 1.77 | — |
| Controlled Substances | 1 | 0.74 | — |
| 4.44% |
Where they run
Inspected in 4 states. Top state SC accounts for 52% of activity. Activity outside home state (SC): 48%.
| 20 |
| 3 |
| 1 |
| Driver Fitness | 9 | 2 | 6 |
| Unsafe Driving | 7 | 2 | 0 |
| Controlled Substances/​Alcohol | 2 | 2 | 2 |
| Feb 23, 2026 | NC | TRUCK TRACTOR | 0 | 0 |
| Jan 28, 2026 | GA | STRAIGHT TRUCK | 0 | 0 |
| Dec 12, 2025 | SC | STRAIGHT TRUCK | 1 | 1 |
| Nov 29, 2025 | SC | STRAIGHT TRUCK | 1 | 1 |
| Oct 17, 2025 | GA | STRAIGHT TRUCK | 7 | 1 |
| Sep 25, 2025 | SC | STRAIGHT TRUCK | 2 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 16, 2026 | 38323A2LCDLN | License (CDL) - Operate a CMV and does not possess a valid CDL | Driver Fitness | Yes |
| Mar 16, 2026 | 39141APC | Medical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency | Driver Fitness | Yes |
| Feb 25, 2026 | 3939ALHLI | Lighting - Headlamp(s) - Any inoperative | Vehicle Maintenance | — |
| Dec 12, 2025 | 39111B5LNCDLNVL | License - Operate a CMV without a valid operators license issued by one State or jurisdiction | Driver Fitness | Yes |
| Nov 29, 2025 | 39141B10MC | Medical (Certificate) - Operating a commercial vehicle without corrective lenses or hearing aid as indicated on the driver's medical certificate | Driver Fitness | Yes |
| Oct 17, 2025 | 39311A1LSML | Lighting - Side marker lamp(s) missing | Vehicle Maintenance | — |
| Oct 17, 2025 | 393201BFR | Frame - Cab or body mounts loose/broken/missing | Vehicle Maintenance | — |
| Oct 17, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Oct 17, 2025 | 39353BB | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Oct 17, 2025 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |