Carrier profile · USDOT 1605061 · MC-593622 · Updated Jul 29, 2026

SOUTHERN INTERMODAL XPRESS LLC

DBA SOUTHERN INTERMODAL XPRESS

152 power unitsavg 10.8 yrRegional · 4 statesMOBILE, AL74/100

CARRIER ACTIVEMC-593622 ACTIVEHAZMAT

Observed fleet · trailing 24 mo daily

152Power units

98 observed · MCS-150

134Trailers seen

Decoded · vPIC

10.8Avg age (yr)

1998–2026 · vPIC

Call dispatch(251) 438-2749 Email dispatchsafety@sixllc.net

Click to see how we scored it

Load decision · FMCSA snapshot · Jul 29, 2026

Review before loading

Operating, but with flags a broker should weigh before tendering freight.

Active operating authorityInsurance on fileVehicle out-of-service rate well above average

Watch · 2

Vehicle out-of-service rate well above average36.1% of vehicle inspections were placed out of service vs the 22.26% national average.Fatal crash on record5 crash(es) involving a fatality are on this carrier's record.

In good standing · 3

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.

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$750K in force

FMCSA L&I

Vehicle OOS · 24-mo36.1%

▲ 22.26% nat'l

Crashes · fatal

15 in 24 mo

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$750K in force

FMCSA L&I

Vehicle OOS · 24-mo36.1%

▲ 22.26% nat'l

Crashes · fatal

15 in 24 mo

Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots

Fleet typeIdentity

Asset-based

152 power units. Brokers price each fleet type apart.

Fleet age vs peersTypical

10.8 yr

Model years 1998–2026 · peer benchmark unavailable.

Identity stabilityStable

19 yr unchanged

Same registration since 2007 — no chameleon / reincarnation signal.

Safety

164 inspections · 24 mo · vs national benchmarks

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

Vehicle OOS 36.1%24-mo cumulative

050%nat'l 22.26%

Driver OOS 1.8%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 122 vehicle and 164 driver inspections over 24 months.

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

45.2% · 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 7.6 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

159 inspections in the charted months · busiest month Apr '25 · 12

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

≈0.5 / unit·yr

thin signalabundant signal

Roadside-inspection volume is about what you'd expect for a 152-unit fleet — enough signal to read the safety record, though not a heavy sample.

Registered power units: 152
Inspections · 24 mo: 164
Annualized: ≈82 / yr
Coverage: ≈0.5 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.

393.9 Inoperative required lampsVehicle Maintenance74 · 22 OOS
393.75 Tires (defective / underinflated / worn)Vehicle Maintenance35 · 29 OOS
393.55 Antilock brake system (ABS)Vehicle Maintenance33 · 0 OOS
392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving33 · 0 OOS
393.45 Brake tubing / hose defectsVehicle Maintenance31 · 3 OOS
393.11 Required lamps/reflectors missingVehicle Maintenance22 · 2 OOS
393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance18 · 0 OOS
393.78 Windshield wipersVehicle Maintenance13 · 0 OOS
396.3 Inspection / repair / maintenance not performedVehicle Maintenance12 · 9 OOS
396.17 Periodic (annual) inspectionVehicle Maintenance11 · 0 OOS

Explore full safety record — inspections, BASICs, crashes

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$750,000 in force

Cargo filing (census)Not recorded per census

Surety bond (census)Not recorded per census

Insurance adequacy· filed BIPD vs the $750K federal floor

$750K in forcegeneral-freight federal minimum

$750K floor

Filed BIPD coverage of $750K meets or exceeds the $750K federal minimum for general freight (49 CFR 387.9). Some commodities (hazmat, larger vehicles) require $1M–$5M — confirm against your load.

Insurance continuity· insurer · policy · lapses

$750K BIPD last filed ’21 · 9 insurers · 1 lapseCoverage lapse

Carolina’07–’09

Great West’09–’11

Companion Property’11–’13

State Pennsylvania’15–’17

United States’18–’20

beyond this history

2007201220172022now

Shorter eras are too brief to label at this scale — all 13 insurers are named in the list below.

BIPD in force — $750,000 · SENTRY SELECT INSURANCE COMPANY · since Sep 2021

All 13 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
WESCO INSURANCE COMPANY	Sep 2020 → Sep 2021	$750K	1
UNITED STATES FIRE INSURANCE CO.	Aug 2018 → Sep 2020	$750K	2
UNITED STATES FIRE INSURANCE CO.	Aug 2017 → Jan 2018	$750K	3
CANAL INSURANCE CO.	Aug 2017 → Aug 2017	$750K	1
UNITED STATES FIRE INSURANCE CO.	Aug 2017 → Aug 2017	$750K	1
CANAL INSURANCE CO.	Apr 2017 → Aug 2017	$750K	2
THE INSURANCE CO OF THE STATE OF PENNSYLVANIA	Apr 2015 → Apr 2017	$750K	2
GREAT WEST CASUALTY CO.	Apr 2014 → Apr 2015	$750K	4
ARCH INSURANCE COMPANY	Apr 2013 → Apr 2014	$750K	1
COMPANION PROPERTY & CASUALTY INS. CO.	Apr 2011 → Apr 2013	$750K	1
GREAT WEST CASUALTY CO.	Mar 2009 → Apr 2011	$750K	1
CAROLINA CASUALTY INSURANCE CO.	Mar 2007 → Mar 2009	$750K	3
THE CINCINNATI INSURANCE CO.	Mar 2007 → Mar 2007	$750K	1

Explore full authority & insurance record

Equipment & fleet

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 152
Observed power (24 mo): 98
Trailers (towed): 134

Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.

Fleet age· model years · decoded VINs

10.8 yr

Average age

2026

Newest model yr

1998

Oldest model yr

22.3%

VINs decoded

Explore full fleet — VIN roster, equipment mix, age distribution

Operations & lanes

Revealed by inspection density across 4 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusRegional

revealed

States observed

US states

Inspections · 24 mo

164

AL busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base

MOBILE, AL

620 BAYBRIDGE ROAD

Top corridor

AL 76 · LA 55 · MS 28

Density

fewermore

Shade = roadside inspections, last 24 mo.

See the full operating map — state density, top lanes

Network & fraud

Affiliated entities & reincarnation signals · for review, not a verdict

Last 12 months: 4 trucks also ran under 4 other carriers

VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 4283308 USDOT 484360 USDOT 606056 USDOT 1171865Some overlap is legitimate (leased or sold equipment); review alongside the other signals.

Show all-time history (37 trucks · 38 carriers)

Across all inspections on record: USDOT 271424 USDOT 484360 USDOT 292991 USDOT 3415491 USDOT 3107158 USDOT 4175765 USDOT 29154 USDOT 178393

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

152

Observed (24 mo)

Shared w/ other carriers

Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.

Explore the carrier network & VIN cross-links

Identity & contact

FMCSA census + L&I dossier

Location

Physical address: 620 BAYBRIDGE ROAD, MOBILE, AL, 36610
Mailing address: PO BOX 929, MOBILE, AL, 36601
Operation: Interstate· Hazmat

Contact

Phone: (251) 438-2749
Fax: (251) 438-4749
Email: safety@sixllc.net
Web domain: sixllc.net

Registration

Officers: Alishia Rivers · John Stimpson
USDOT / docket: 1605061 · MC-593622
First registered: Feb 7, 2007
Last MCS-150: Dec 5, 2025 · 5,485,000 mi (2025)
FMCSA safety rating: Not rated
Recordable crash rate: 0.00
D-U-N-S: —

Fleet (self-reported · MCS-150)

152

Power units

142

Drivers

142

CDL drivers

5,485,000

Annual mileage

Open the full identity & federal record

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.

Open the full federal-record activity feed

Reviews

Verified broker, shipper & driver reviews — moderated

Performance ratings only — never the Vektor risk score

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Verification summaryAuthority, insurance, safety and identity facts for SOUTHERN INTERMODAL XPRESS LLC.

SOUTHERN INTERMODAL XPRESS LLC (USDOT 1605061) has a Vektor safety score of 74/100 and a Review before loading verdict, from the carrier's FMCSA record refreshed Jul 29, 2026.

The carrier holds active common for-hire operating authority per FMCSA L&I as of Jul 29, 2026.

It has an active BIPD insurance filing with a $750,000 limit in force from SENTRY SELECT INSURANCE COMPANY effective Sep 1, 2021 in FMCSA L&I's current snapshot as of Jul 29, 2026.

Its vehicle out-of-service rate was 36.1% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Jul 29, 2026.

The carrier received 164 roadside inspections in the last 24 months — 122 vehicle-level and 164 driver-level — across 4 states, according to FMCSA roadside-inspection data refreshed Jul 29, 2026.

The carrier has 15 reportable crashes in the last 24 months and 5 fatal crashes across the full FMCSA crash record available as of Jul 29, 2026.

It reports 152 power units and 142 drivers in its most recent MCS-150 filing dated Dec 5, 2025.

It has no FMCSA-assigned safety rating in the federal record refreshed Jul 29, 2026.

Frequently asked

What is SOUTHERN INTERMODAL XPRESS LLC's USDOT number?

SOUTHERN INTERMODAL XPRESS LLC's USDOT number is 1605061, and its motor carrier number is MC-593622.

Is SOUTHERN INTERMODAL XPRESS LLC authorized to operate?

As of Jul 29, 2026, SOUTHERN INTERMODAL XPRESS LLC is active in the FMCSA register with common, contract, broker operating authority on file.

What is SOUTHERN INTERMODAL XPRESS LLC's safety record?

SOUTHERN INTERMODAL XPRESS LLC has a 36.1% vehicle out-of-service rate (national average 22.26%) across 256 roadside inspections, with 15 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 74/100 (tier: review).