Carrierintel
ST

SOUTHERN TANK TRANSPORT INC

Carrierintel Safety Score: 63/100. 137 inspection violations in 12 months. Last inspected Oct 2026.

DOT 548304MC 270785ActiveMotor CarrierInterstateZURICH AMERICAN INSURANCE COMPANYHOLLY HILL, SC

COMPANY

Authority since
1994-03-10
MCS-150
2025-09-24 · 9,314,400 mi (2024)
Fleet
137 units · 321 trailers · 115 drivers
Annual mileage (VMT)
9,314,400 mi (2024)

ADDRESS

Physical
1789 GARDNER
HOLLY HILL, SC 29059
Mailing
P O BOX 70
HOLLY HILL, SC 29059

CONTACT

Phone
8034961800
Email
safety_dept@sotank.com

OFFICERS

Primary Officer
DAN HORTON
Title
PRESIDENT

OPERATION & CARGO

Operation classification
Authorized For Hire
Specialty
Tanker / Bulk Liquids
Cargo types
12
General FreightMetal: Sheets, Coils, RollsLogs, Poles, Beams, LumberBuilding MaterialsLiquids / GasesGrain, Feed, HayCoal / CokeChemicalsCommodities Dry BulkFarm SuppliesConstructionOther: CEMENT, LIME
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
391 mo
Active authority
INSURANCE
1 active
ZURICH AMERICAN INSURANCE COMPANY
RISK GRADE
Elevated Risk
5 risk factors · 3 strengths
OOS RATE
16.3%
57 / 350 inspections

Carrierintel Safety Score

Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.

63
out of 100
Fair
Markers: OOS inspection Crash Fatality

Fleet vs Reality

last 12 months · power-unit VINs from roadside inspections
Declared (MCS-150)
137 power units
Unique power units seen
67
+ 64 trailer VINs
+ 2 unclassified VINs
Inspections
103
Discrepancy
0.5x

Elevated Risk

5 risk factors · 3 strengths · 8 data points

SAFETY PERFORMANCE

Crash Record
338 crashes · 10 fatal · 166 with injuries · 308 tow-away
Clean Inspection Rate
84% — 293 clean of 350 inspections
Out-of-Service Rate
16.3% — driver OOS 8 insp., vehicle OOS 49 insp.

COMPLIANCE & AUTHORITY

USDOT Registration
Status: Active
Operating Authority
Active: Motor Carrier
Out-of-service orders
None on record
Authority Events
13 historical event(s) on file
MCS-150 Filing
Last filed 2025-09-24

INSURANCE

Active Coverage
1 policy(ies) on file · total max coverage $1,000,000

SUMMARY

10 fatal crashes — most recent 4 yr ago
Elevated OOS rate 15% (last 24 mo)
5.5 crashes per 100 trucks/yr
7 injury crashes in the last 24 months
1.6 violations per inspection
84% clean inspections
Active insurance on file
Coverage $1.0M

INDUSTRY REPORTS

  • ELD Tampering — Carriers cited for ELD tampering under 49 CFR § 395.8(e), by carrier and state.
  • Top Violations — The ten most-cited FMCSA violation codes of the last 30 days.
  • Phantom Fleets — Declared power units against the vehicles seen at roadside inspections.
  • English Proficiency — Carriers whose drivers were cited under 49 CFR § 391.11(b)(2), by carrier and state.
  • Methodology — Where the data comes from and how the Safety Score and Risk Grade are built.

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