Carrier profile · USDOT 2325622 · MC-951261 · Updated Jun 13, 2026

SUPERIOR BULK INC

96 power unitsavg 6.1 yrRegional · 5 statesMAYER, AZ81/100
CARRIER ACTIVEMC-951261 ACTIVE
Verified linkssuperior-bulk.comFMCSA SAFER

Safety

Roadside out-of-service rates versus the national benchmark, inspection and crash trends, decoded violation themes, and ELD / hours-of-service integrity — the full safety picture behind the verdict.

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 22.4%24-mo cumulative
050%nat'l 22.26%
Driver OOS 1.4%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 58 vehicle and 73 driver inspections over 24 months.

Vehicle OOS rate· vehicle OOS · vehicle-level inspections · 6-month trailing

26.3% · latest 6-mo window▲ Rising

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending up 17.2 pts across the window. The national vehicle benchmark uses the same metric and is shown on the chart.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

70 inspections in the charted months · busiest month Sep '24 · 8

Vehicle-levelDriver-levelAny OOS

Monthly FMCSA roadside inspections across the 24 charted calendar months. Bars show level-qualified vehicle and driver populations; one inspection can qualify for both. The line shows inspections with any out-of-service result.

Inspection coverage· expected vs observed · the fraud signal

Inspection coverage

How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.

Expected band
Under-inspected
Expected
Well-monitored
Heavily inspected
≈0.4 / unit·yr
thin signalabundant signal
Roadside-inspection volume is about what you'd expect for a 96-unit fleet — enough signal to read the safety record, though not a heavy sample.
Registered power units
96
Inspections · 24 mo
73
Annualized
≈37 / yr
Coverage
≈0.4 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

17%
Unsafe Driving
Vektor peer est.
31%
Hours-of-Service
Vektor peer est.
24%
Driver Fitness
Vektor peer est.
Controlled Substances
0violations
clean · per-BASIC
54%
Vehicle Maintenance
Vektor peer est.

Percentile = standing among same-exposure peers (higher = worse). FMCSA publishes percentiles for only some carriers (shown official); elsewhere we show a Vektor peer-percentile estimate, or the absolute SMS measure when there are too few inspections to rank.

Violation themes· decoded · grouped by BASIC

What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.

  • 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving27 · 0 OOS
  • 393.45 Brake tubing / hose defectsVehicle Maintenance15 · 7 OOS
  • 393.47 Brake actuators / linings / componentsVehicle Maintenance11 · 0 OOS
  • 396.3 Inspection / repair / maintenance not performedVehicle Maintenance8 · 3 OOS
  • 393.9 Inoperative required lampsVehicle Maintenance8 · 0 OOS
  • 396.5 Oil and/or grease leakVehicle Maintenance8 · 0 OOS
  • 393.55 Antilock brake system (ABS)Vehicle Maintenance7 · 0 OOS
  • 393.53 Automatic brake adjusters / indicatorsVehicle Maintenance7 · 0 OOS
  • 393.11 Required lamps/reflectors missingVehicle Maintenance5 · 0 OOS
  • 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance4 · 3 OOS

ELD & hours-of-service

5 hours-of-service / ELD violations on record · most recent May 13, 2026. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

2ELD device issues
0No log / no ELD
0False logs
2Drove over hours

Trending worse — 100% of ELD violations are in the last 24 months.

Crash history· 44 total · 12 in 24 mo

44
Total crashes
12
In last 24 mo
2
Fatal
13
Injury
YearCrashesFatalInjuryTow
20263022
20255015
20247157
20235115
20227037
20214014
20201001
20193003
20182002
20172002
20163003
20152002
DateStateFatalitiesInjuriesTow-away
Jun 17, 2026AZ01No
Apr 27, 2026AZ00Yes
Mar 2, 2026CA01Yes
Dec 23, 2025AZ00Yes
Dec 22, 2025AZ01Yes
Feb 12, 2025AZ00Yes
Feb 6, 2025AZ00Yes
Jan 13, 2025AZ00Yes
Dec 16, 2024AZ00Yes
Nov 5, 2024AZ01Yes
Sep 24, 2024AZ02Yes
Aug 13, 2024AZ01Yes
Jul 8, 2024AZ00Yes
Apr 14, 2024AZ11Yes
Jan 11, 2024AZ01Yes
Sep 21, 2023AZ00Yes
Jul 22, 2023AZ01Yes
Jun 12, 2023AZ00Yes
May 25, 2023AZ00Yes
Mar 7, 2023AZ10Yes
Nov 28, 2022AZ00Yes
Nov 21, 2022AZ00Yes
Aug 7, 2022AZ00Yes
Jul 28, 2022AZ01Yes
Mar 7, 2022AZ01Yes