Fleet typeIdentity
Asset-based
193 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 1676368 · MC-881277
STEVENSON WEIR SOUTHERN LLC
193 power unitsavg 6.5 yrLocal · 2 statesROCK HILL, SC
CARRIER ACTIVEMC-881277 ACTIVE
Observed fleet · trailing 24 mo daily
193Power units
88 observed · MCS-150
11Trailers seen
Decoded · vPIC
6.5Avg age (yr)
1998–2025 · vPIC
Click to see how we scored it
Load decision · FMCSA snapshot · 2026-07-18
Clear to load
Active authority and a clean federal record. No blocking issues found.
Active operating authorityInsurance on fileMultiple injury crashes
In good standing · 4
Active operating authorityActive for-hire authority is on file with FMCSA.Insurance on fileBIPD (liability) insurance is on file with FMCSA.Established 19 yearsOperating authority has been on file since 2007.Out-of-service rates below national averageBoth vehicle and driver OOS rates beat the national benchmark across 194 inspections.
Operating authority1818 yr active
since 2007Insurance (BIPD)On file
FMCSA L&IVehicle OOS · 24mo19.419.4 %
▼ 22.26% nat'lCrashes · fatal00
3 in 24moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersTypical
6.5 yr
Model years 1998–2025 · peer benchmark computing.
Identity stabilityStable
18 yr unchanged
Same registration since 2007 — no chameleon / reincarnation signal.
AI readFull read
Is STEVENSON WEIR SOUTHERN LLC safe to work with?
Is STEVENSON WEIR SOUTHERN LLC safe to load? STEVENSON WEIR SOUTHERN LLC (USDOT 1676368, MC-881277) is an active asset-based motor carrier based in ROCK HILL, SC, operating 193 power units and 203 drivers. Operating authority has been active 18 years (past the 24-month broker-confidence threshold). Across 194 roadside inspections, its vehicle out-of-service rate is 19.4% (below the 22.26% national average), with 3 reportable crashes in the last 24 months. FMCSA has not assigned a safety rating. Vektor rates it clear to load (94/100). Source: FMCSA SAFER/MCMIS, last updated 2026-07-18.
FMCSA fields + Vektor analysis · updated 2026-07-18
SWSTEVENSON WEIR SOUTHERN LLC 94
01
Safety
194 inspections · 24 mo · vs national benchmarks
Out-of-service rate· trailing 24 months vs national benchmark
Vehicle OOS 19.4% (24-mo)31 veh insp · 24-mo · nat'l 22.26%
050%nat'l 22.26%
Driver OOS 2.1% (24-mo)144 drv insp · 24-mo · nat'l 6.67%
030%nat'l 6.67%
OOS trajectory· trailing 6-mo vehicle-OOS rate vs national
4.0% now▼ Improving
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.
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 193-unit fleet — enough signal to read the safety record, though not a heavy sample.
- Registered power units
- 193
- Inspections · 24 mo
- 144
- Annualized
- ≈72 / yr
- Coverage
- ≈0.4 inspections / unit · yr
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 Driving67
- 393.9 Inoperative required lampsVehicle Maintenance10 · 1 OOS
- 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance8 · 8 OOS
- 396.17 Periodic (annual) inspectionVehicle Maintenance6
- 393.45 Brake tubing / hose defectsVehicle Maintenance3
- 393.78 Windshield wipersVehicle Maintenance3
- 383.23 Operating without a valid CDLDriver Fitness2 · 2 OOS
- 393.47 Brake actuators / linings / componentsVehicle Maintenance2
- 393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance2
- 383.95 Commercial Driver's License (CDL)Driver Fitness1 · 1 OOS
02
Authority & insurance
Can they legally + adequately haul your load?
Operating authority· 49 CFR · per type
Operating authority
- Common
- Active
- Contract
- None
- Broker
- None
Insurance & bonds
BIPD / liability (required)Filed with FMCSA
CargoNone
Surety bond (BMC-84)None
Insurance continuity· insurer · policy · lapses
$750k BIPD · 1 insurer · 0 lapsesContinuous
Cincinnati · 14–21
20142021
No BIPD policy is currently in force in the filing history. The authority record may still list one on file — request a COI to confirm current coverage.
1 insurer era · collapsed from 3 filings
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| THE CINCINNATI INSURANCE CO. | May 2014 → Oct 2021 | $750k | 3 |
03
Equipment & fleet
VIN-decoded · NHTSA vPIC
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 193
- Observed power (24 mo)
- 88
- Trailers (towed)
- 11
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Fleet age· model years · decoded VINs
Average age
2025
Newest model yr
1998
Oldest model yr
VINs decoded
04
Operations & lanes
Revealed by inspection density across 2 states · 24 mo
Operating footprint· revealed by roadside-inspection geography
Operating radiusLocal
revealedStates observed22
US statesInspections · 24 mo144144
SC busiestInspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
ROCK HILL, SC
Top corridor
SC
Density
fewermore
05
Network & fraud
Affiliated entities & reincarnation signals · for review, not a verdict
Last 12 months: 2 trucks also ran under 2 other carriers
VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 3496491USDOT 156698Some overlap is legitimate (leased or sold equipment); review alongside the other signals.
Show all-time history (9 trucks · 9 carriers)
Across all inspections on record: USDOT 297703USDOT 1356546USDOT 3496491USDOT 2175663USDOT 2379294USDOT 255166USDOT 156698USDOT 403890
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)193193
Observed (24 mo)8888
Shared w/ other carriers99
Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.
06
Identity & contact
FMCSA census + L&I dossier
Location
- Physical address
- 1523 SOUTH ANDERSON RD, ROCK HILL, SC, 29730
- Operation
- Interstate
Contact
- Phone
- (803) 324-4455
- Web domain
- swscarolina.com
Registration
- Officers
- Kendrick Stevenson · J. M. Stuart Stevenson
- USDOT / docket
- 1676368 · MC-881277
- First registered
- 08/13/2007
- Last MCS-150
- 05/20/2026 · 3,148,841 mi (2025)
- FMCSA safety rating
- Not rated
- Recordable crash rate
- 0.00
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
07
Federal activity
Daily-captured FMCSA licensing & insurance changes — monitored by Vektor
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.
08
Reviews
Verified broker, shipper & driver reviews — moderated
Performance ratings only — never the Vektor risk score
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Leave a review09
Frequently asked
What is STEVENSON WEIR SOUTHERN LLC's USDOT number?
STEVENSON WEIR SOUTHERN LLC's USDOT number is 1676368, and its motor carrier number is MC-881277.
Is STEVENSON WEIR SOUTHERN LLC authorized to operate?
As of 2026-07-18, STEVENSON WEIR SOUTHERN LLC is active in the FMCSA register with common, contract, broker operating authority on file.
What is STEVENSON WEIR SOUTHERN LLC's safety record?
STEVENSON WEIR SOUTHERN LLC has a 19.4% vehicle out-of-service rate (national average 22.26%) across 194 roadside inspections, with 3 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 94/100 (tier: clear).
How big is STEVENSON WEIR SOUTHERN LLC's fleet?
STEVENSON WEIR SOUTHERN LLC operates 193 power units and 203 drivers per its most recent MCS-150 filing.
Where is STEVENSON WEIR SOUTHERN LLC based?
STEVENSON WEIR SOUTHERN LLC is based in ROCK HILL, SC, with roadside inspections recorded across 2 states.