Duffy Bros Inc is an active interstate carrier based in Columbus, WI.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 18 | 0 | 0 |
| Tractors | 18 | 0 | 0 |
| Trailers | 23 | 0 | 0 |
| Total Power Units | 18 | ||
Distinct vehicles · 24 mo
vs 18 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol | Measure |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 89% | 95% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 0% | 0% | Better 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 | 0 | — | 6.67% |
| Vehicle | 0 | 0 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Unsafe Driving | 4 | 2 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Nov 19, 2025 | WI | TRUCK TRACTOR | 1 | 0 |
| Sep 29, 2025 | IL | TRUCK TRACTOR | 0 | 0 |
| Aug 18, 2025 | WI | TRUCK TRACTOR | 1 | 0 |
| May 8, 2025 | IN | TRUCK TRACTOR | 1 | 0 |
| Alert |
|---|
| Unsafe Driving | 4 | 2.40 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 0 | 0.00 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
Where they run
Inspected in 3 states. Top state IL accounts for 44% of activity. Activity outside home state (WI): 56%.
| Apr 21, 2025 |
| IL |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Mar 17, 2025 | WI | TRUCK TRACTOR | 1 | 0 |
| Oct 9, 2024 | IL | TRUCK TRACTOR | 0 | 0 |
| May 15, 2024 | IL | TRUCK TRACTOR | 0 | 0 |
| Apr 9, 2024 | WI | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Nov 19, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Aug 18, 2025 | 39216D | Driver - Failed to use seat belt while operating a CMV | Unsafe Driving | — |
| May 8, 2025 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |
| Mar 17, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |