S & T TRUCKING TRANSPORTATION LLC
S & T TRUCKING TRANSPORTATION LLC is a motor carrier based in PARKSTON, SD, registered with the FMCSA under USDOT 1739645. The carrier is currently active in FMCSA's records, with a safety rating of C. MCS-150 self-reporting puts the fleet at 7 power units and 13 drivers, with 9 roadside inspections on file and a peak out-of-service rate of 25.0%. Use this page to verify the carrier's authority and insurance, review its inspection and crash history, and cross-reference live data on FMCSA SAFER before booking a load or onboarding a partner.
S & T TRUCKING TRANSPORTATION LLC is a small fleet, operating 7 power units and 13 drivers, based in Parkston, SD. Across 6 roadside inspections in the last 24 months, the fleet recorded a 33.3% out-of-service rate, with 1 reportable crash. Operating authority is active for contract.
Safety Snapshot
6 roadside inspections over the last 24 months, up 200% versus the prior 24 months, concentrated in CA (2) and NV (2), with Level 2 inspections the most common.
33.3% out-of-service rate; led by Vehicle Maintenance (53.3% of violations); top code 392.2-SLLS2 (Speeding 6-10 mph over limit) cited 2 times.
The fleet comprises 7 power units (small fleet) and 13 drivers; Peterbilt, Wilx, and Ford are the most-inspected makes.
Compliance
Risk Signals
Out-of-Service rate vs same-size peers FMCSA roadside inspections, % placed out-of-service
Compared against 145,028 ACTIVE carriers operating 4–11 power units (±50% of this carrier's 7 unit fleet).
Inspection Analytics Monthly activity · BASIC mix · state map
Monthly Inspection Activity (24 months)
Violations by BASIC Category
Activity by State
| State | Inspections | OOS | OOS % | Last Inspection |
|---|---|---|---|---|
| California (CA) | 3 | 0 | 0.0% | May 14, 2026 |
| Nevada (NV) | 2 | 1 | 50.0% | Dec 5, 2024 |
| Nebraska (NE) | 1 | 0 | 0.0% | Mar 17, 2026 |
| Wisconsin (WI) | 1 | 1 | 100.0% | Feb 5, 2026 |
Vehicle Fleet Top makes and models observed in roadside inspections
Recent Inspections (9 rows) View all 9 →
| Inspection # | Date ▼ | State | Level | Station | Vehicle | Violations | Top Codes | OOS |
|---|---|---|---|---|---|---|---|---|
| 87870923 | May 14, 2026 | CA | 1 | — |
PTRB TRUCK TRACTOR
|
0 | — | No |
| 87314209 | Mar 17, 2026 | NE | 3 | — |
WILS SEMI-TRAILER
|
1 | 392.2-SLLS2 | No |
| 86986543 | Feb 5, 2026 | WI | 2 | HUDSON WI |
FORD STRAIGHT TRUCK
|
2 | 393.45B2-BHTD, 392.2-SLLEWA2 | Yes |
| 86809742 | Jan 14, 2026 | CA | 2 | MADERA AREA |
PTRB TRUCK TRACTOR
|
8 | 393.11A1-CSLRR, 393.60E, 392.2-SLLSR | No |
| 85236461 | Jul 11, 2025 | CA | 1 | CHOWCHILLA RIVER IF |
PTRB TRUCK TRACTOR
|
0 | — | No |
| 83329123 | Dec 5, 2024 | NV | 2 | RENO |
PTRB TRUCK TRACTOR
|
3 | 395.8A1-HOSP, 393.60E, 393.60D | Yes |
| 82448585 | Aug 20, 2024 | NV | 3 | nv-ir80-w/b |
PTRB TRUCK TRACTOR
|
1 | 392.2 | No |
| 80705707 | Jan 25, 2024 | IA | 3 | HWY 3 WB |
PTRB TRUCK TRACTOR
|
2 | 392.16(a), 392.2 | No |
| 79821907 | Sep 29, 2023 | SD | 3 | — |
PTRB TRUCK TRACTOR
|
0 | — | No |
Recent Crashes (8 rows)
| Report # | Date ▼ | State | Fatalities | Injuries | Tow | Hazmat | Severity |
|---|---|---|---|---|---|---|---|
| IA2601522920 | Jan 6, 2026 | IA | 0 | 0 | Yes | Yes | Tow |
| WY0202007692 | Jul 30, 2020 | WY | 0 | 0 | Yes | Yes | Tow |
| MT2050138001 | Mar 7, 2020 | MT | 0 | 0 | Yes | Yes | Tow |
| NE0220005881 | Jan 29, 2020 | NE | 0 | 2 | Yes | Yes | Injury |
| WY0201901545 | Jan 27, 2019 | WY | 0 | 0 | Yes | Yes | Tow |
| NE0217003290 | Jan 15, 2017 | NE | 0 | 0 | Yes | Yes | Tow |
| IN0902312958 | Oct 3, 2014 | IN | 0 | 1 | Yes | Yes | Injury |
| CO2010001462 | Dec 2, 2010 | CO | 0 | 0 | Yes | Yes | Tow |
Authority Records (1 docket)
MC Certificate Documents (1 PDF)
Authority Records (above) are FMCSA docket status and lifecycle events. MC Certificate Documents here are the archived PDF letters for each action — grants, reinstatements, revocations, name changes, and transfers. They are related but not the same dataset: one row per PDF letter, not one file per docket.
Click a row to open that specific letter. Multiple letters per docket are listed separately by action type and date.
| Date | Docket | Action | Authority | |
|---|---|---|---|---|
| Mar 12, 2008 | MC637162-P | CPL | REVOCATION | CPL → |
Insurance Coverage Timeline (1 row)
Every insurance policy on file, newest effective date first. Amber rows mark BIPD/Primary coverage gaps.
| Insurer | Policy # | Type | Effective | Cancel | Status |
|---|---|---|---|---|---|
| GREAT WEST CASUALTY CO. | GWP52962A | 91X | Feb 22, 2008 | On file | ACTIVE |
Compliance Timeline Merged authority / insurance / enforcement events
-
Mar 12, 2008
Top Stations & Violation Codes Where this carrier gets inspected and what they get cited for
Most-Inspected Stations
| Station | State | Inspections | OOS |
|---|---|---|---|
| CHOWCHILLA RIVER IF | CA | 1 | 0 |
| MADERA AREA | CA | 1 | 0 |
| HWY 3 WB | IA | 1 | 0 |
| RENO | NV | 1 | 1 |
| HUDSON WI | WI | 1 | 1 |
Related Records Cross-references to every adjacent page
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South Dakota carriers
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Parkston carriers
Carriers based in Parkston, SD
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Stations in South Dakota
Where this carrier might be inspected
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Docket MC637162
Contract · ACTIVE · MC
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GREAT WEST CASUALTY CO.
91X policy on file
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TRUCK PROCESS AGENTS OF AMERICA, INC
BOC-3 process agent · 127,947 carriers served
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9 inspections
Full roadside inspection history
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8 reportable crashes
FMCSA MCMIS crash log
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Fleet recall search
NHTSA recalls covering this fleet's vehicle years/makes
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File a complaint
Open the FMCSA National Consumer Complaint form for this carrier
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Carrier comparison tool
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Certificate lookup
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Insurance-lapse watch
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How FMCSA safety ratings work
BASIC percentiles and compliance review context
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BOC-3 process agents explained
Why every interstate carrier must file a process agent
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FMCSA compliance filings guide
MCS-150, insurance, and authority filing requirements
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Roadside inspection rights
What drivers and carriers can expect during a stop
How to verify S & T TRUCKING TRANSPORTATION LLC
- Verify USDOT and MC numbers match the carrier's documents. Compare the USDOT number and MC docket on this page to the numbers on the carrier's invoice, rate confirmation, or load-board listing. A mismatch between the carrier's claimed numbers and the registered legal name is the single most common red flag.
- Check active operating authority and insurance status. Confirm the Authority Records show at least one ACTIVE docket for the type of operation you're booking, and that the Active Insurance card lists a current BIPD/Primary policy. A revoked authority or uninsured carrier cannot legally operate.
- Review safety rating and SMS BASIC scores. Check the carrier's FMCSA safety rating (if any) and the SMS BASIC table. A high percentile in any BASIC category — especially Unsafe Driving, HOS, or Vehicle Maintenance — is worth investigating before tendering a load.
- Examine inspection and crash history. Open the Inspection History and Crash History subpages for the full record. Look for patterns: repeat OOS findings on the same unit, multiple crashes in a short window, or violations clustered in one BASIC category.
- Cross-reference real-time data with FMCSA SAFER. For the most current snapshot — within 24 hours of any insurer filing or authority change — click through to the FMCSA SAFER lookup. TruckCodex mirrors SAFER and L&I daily; SAFER itself reflects filings within 24 hours.
Frequently asked questions about S & T TRUCKING TRANSPORTATION LLC
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About FMCSA carrier records
Every commercial motor carrier operating in the United States is required to register with the Federal Motor Carrier Safety Administration (FMCSA) and obtain a USDOT number. The USDOT number is a permanent, unique identifier — once assigned, it stays with the carrier for life and is never reissued to another company. Carriers must update their registration every two years on Form MCS-150 to keep their address, fleet size, and operating data current.
Carrier safety data lives in FMCSA's Motor Carrier Management Information System (MCMIS): roadside inspections, crashes, out-of-service findings, and the seven Behavior Analysis and Safety Improvement Categories (BASICs) that make up the SMS scoring methodology. For-hire carriers must also hold operating authority — an MC, FF, or MX docket number — which is separate from the USDOT number and requires continuous insurance and BOC-3 process-agent filings to remain active.
TruckCodex mirrors FMCSA's public SAFER and L&I systems on a daily refresh cycle. Every record on this page reflects what FMCSA has on file. We do not edit or modify carrier data — for real-time confirmation immediately before a transaction, click through to the FMCSA SAFER lookup linked in the related records section above. Safety ratings, when present, come from formal compliance reviews; most active carriers have not been reviewed and are correctly listed as unrated.
Data sources & freshness
TruckCodex aggregates official public-sector datasets. See the Source registry for dataset-level coverage and the Freshness log for last-import timestamps.
Census, SAFER, SMS, Licensing & Insurance (L&I), roadside inspections, crashes, and authority history.
Vehicle recall campaigns, defect investigations, and consumer safety complaints (SCRS).
Cross-border carrier registry and Canadian recall campaigns where applicable.
TruckCodex is an independent aggregator; it is not affiliated with FMCSA, NHTSA, EIA, or Transport Canada. Always verify compliance-critical information directly with the originating agency.