DBA: Superior Service Towing
Steven R Therrian is an active interstate carrier based in Houghton, MI.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 12 | 0 | 0 |
| Tractors | 2 | 0 | 0 |
| Trailers | 2 | 0 | 0 |
| Total Power Units | 14 | ||
Distinct vehicles · 24 mo
vs 14 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 81% | 95% | Worse than most peers |
| HOS Compliance | 93% | 98% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 72% | 93% | Around peer average |
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 | 1 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2024 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 6 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 13, 2026 | MI | STRAIGHT TRUCK | 1 | 0 |
| Dec 12, 2025 | MI | STRAIGHT TRUCK | 0 | 0 |
| Nov 13, 2025 | MI | STRAIGHT TRUCK | 3 | 1 |
| Sep 17, 2025 | MI | TRUCK TRACTOR | 1 | 1 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 1.41 | — |
| HOS Compliance | 1 | 0.63 | — |
| Vehicle Maintenance | 3 | 3.66 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state MI accounts for 82% of activity. Activity outside home state (MI): 18%.
| 1 |
| Unsafe Driving | 2 | 2 | 0 |
| Hours-of-Service Compliance | 1 | 0 | 1 |
| Aug 19, 2025 | MI | STRAIGHT TRUCK | 1 | 0 |
| Aug 18, 2025 | MI | STRAIGHT TRUCK | 2 | 0 |
| Aug 7, 2025 | MI | STRAIGHT TRUCK | 0 | 0 |
| May 14, 2025 | MI | STRAIGHT TRUCK | 0 | 0 |
| Jan 8, 2025 | WI | STRAIGHT TRUCK | 0 | 0 |
| Aug 2, 2024 | WI | STRAIGHT TRUCK | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 13, 2026 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |
| Nov 13, 2025 | 39323LEU | Lighting - All electrical systems on towed vehicle(s) inoperative due to no electrical connection (e.g. unplugged or loose pigtail) | Vehicle Maintenance | Yes |
| Nov 13, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Nov 13, 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 | — |
| Sep 17, 2025 | 3958A1HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Hours-of-Service Compliance | Yes |
| Aug 19, 2025 | 39216AD | Driver - Failed to use seat belt while operating a CMV. | Unsafe Driving | — |
| Aug 18, 2025 | 39378 | Wipers - Inoperative / missing / damaged wipers | Vehicle Maintenance | — |
| Aug 18, 2025 | 39393ASBA | Seatbelts - Drivers seatbelt or passenger seatbelt (if equipped) - missing or defective | Vehicle Maintenance | — |
| Aug 2, 2024 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |