Superior Bulk Inc is an active interstate carrier based in Mayer, AZ.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 7 | 0 | 0 |
| Tractors | 89 | 0 | 0 |
| Trailers | 96 | 0 | 0 |
| Total Power Units | 96 | ||
Distinct vehicles · 24 mo
vs 96 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 78% | 91% | Worse than most peers |
| HOS Compliance | 76% | 92% | Worse than most peers |
| Driver Fitness | 74% | 95% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 64% | 84% | 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 | 10 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 1 | 1 | 1 |
| Oct 1, 2025 | 0 | 1 | 2 | 2 |
| Jan 1, 2025 | 0 | 0 | 3 | 3 |
| Oct 1, 2024 | 0 | 1 | 2 | 2 |
| Jul 1, 2024 | 0 | 3 | 2 | 2 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 45 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 13, 2026 | AZ | TRUCK TRACTOR | 0 | 0 |
| Feb 20, 2026 | NM | TRUCK TRACTOR | 0 | 0 |
| Feb 20, 2026 | NM | TRUCK TRACTOR | 0 | 0 |
| Feb 2, 2026 | AZ | TRUCK TRACTOR | 1 | 1 |
| Jan 28, 2026 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 6 | 0.39 | — |
| HOS Compliance | 2 | 0.29 | — |
| Vehicle Maintenance | 25 | 4.01 | — |
| Driver Fitness | 1 | 0.19 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 5 states. Top state AZ accounts for 62% of activity. Activity outside home state (AZ): 38%.
| 6 |
| 9 |
| Unsafe Driving | 6 | 2 | 0 |
| Hours-of-Service Compliance | 4 | 2 | 0 |
| Driver Fitness | 1 | 1 | 1 |
| NM |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Jan 22, 2026 | AZ | TRUCK TRACTOR | 0 | 0 |
| Jan 19, 2026 | AZ | TRUCK TRACTOR | 3 | 0 |
| Jan 7, 2026 | AZ | TRUCK TRACTOR | 0 | 0 |
| Dec 31, 2025 | NV | TRUCK TRACTOR | 0 | 0 |
| Dec 30, 2025 | NV | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 2, 2026 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Jan 19, 2026 | 39311A1CSLRR | Conspicuity Systems - Truck tractor lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Jan 19, 2026 | 393205CWRAWFLMIB | Wheel/Rim - Any wheel fasteners loose/missing/ineffective/broken. | Vehicle Maintenance | — |
| Jan 19, 2026 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Nov 14, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Nov 14, 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 | — |
| Nov 14, 2025 | 3965BHWSL | Hubs - Wheel seal leaking | Vehicle Maintenance | — |
| Oct 30, 2025 | 3965BHWSL | Hubs - Wheel seal leaking | Vehicle Maintenance | — |
| Oct 30, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Oct 14, 2025 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |