Carrier profile · USDOT 133995 · Updated Jul 17, 2026

Sydenstricker Nobbe Partners Inc

DBA SN PARTNERS

19 power unitsavg 4.3 yrRegional · 7 statesMEXICO, MO81/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT
Verified linkssnpartners.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 30.0%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 — 60 vehicle and 74 driver inspections over 24 months.

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

24.0% · 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 9.4 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

74 inspections in the charted months · busiest month Mar '26 · 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.

Heavily inspected
Under-inspected
Expected
Well-monitored
Heavily inspected
≈1.9 / unit·yr
thin signalabundant signal
Among the more heavily-inspected carriers for its size — abundant roadside signal. Coverage isn't the question here; the out-of-service and crash record is.
Registered power units
19
Inspections · 24 mo
74
Annualized
≈37 / yr
Coverage
≈1.9 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

44%
Unsafe Driving
Vektor peer est.
2%
Hours-of-Service
Vektor peer est.
47%
Driver Fitness
Vektor peer est.
Controlled Substances
0violations
clean · per-BASIC
42%
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 Driving38 · 0 OOS
  • 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance12 · 5 OOS
  • 393.9 Inoperative required lampsVehicle Maintenance9 · 0 OOS
  • 393.43 Parts & accessories (vehicle condition)Vehicle Maintenance7 · 7 OOS
  • 396.17 Periodic (annual) inspectionVehicle Maintenance7 · 0 OOS
  • 393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance6 · 0 OOS
  • 396.3 Inspection / repair / maintenance not performedVehicle Maintenance6 · 5 OOS
  • 390.21 USDOT number marking on vehicleUnsafe Driving4 · 0 OOS
  • 393.60 Windshield / glazingVehicle Maintenance4 · 0 OOS
  • 393.45 Brake tubing / hose defectsVehicle Maintenance3 · 0 OOS

ELD & hours-of-service

4 hours-of-service / ELD violations on record · most recent Sep 11, 2025. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

4ELD device issues
0No log / no ELD
0False logs
0Drove over hours

Trending worse — 75% of ELD violations are in the last 24 months.

Crash history· 17 total · 3 in 24 mo

17
Total crashes
3
In last 24 mo
1
Fatal
7
Injury
YearCrashesFatalInjuryTow
20261111
20251001
20243003
20232012
20212012
20191001
20173023
20161011
20101001
20061001
19991011
DateStateFatalitiesInjuriesTow-away
Jun 3, 2026IA11Yes
Aug 29, 2025MO00Yes
Oct 11, 2024MO00Yes
Jun 6, 2024MO00Yes
Apr 18, 2024MO00Yes
Sep 6, 2023IA00Yes
Feb 17, 2023MO01Yes
Dec 2, 2021MO00Yes
Sep 1, 2021MO01Yes
Mar 18, 2019IL00Yes
Oct 18, 2017MO02Yes
Jul 10, 2017MO00Yes
Mar 13, 2017MO01Yes
Oct 24, 2016MO01Yes
Sep 4, 2010MO00Yes
Mar 24, 2006MO00Yes
Apr 21, 1999MO01Yes