FMCSA Carrier Profile
SOUTHWESTERN MOTOR TRANSPORT INC
DBA: Smt Lines
Owner / Officer: Michael Mangold
Active
Satisfactory
Authority Active
Active 13 yrs, 1 mo
Authority
Active
Common carrier
Insurance
On File
$75,000 BIPD
Safety
Satisfactory
0th pct · 50 inspections on record
✓ No risk flags found on authority or insurance records
Vetting Notes
SOUTHWESTERN MOTOR TRANSPORT INC is an active FMCSA-registered motor carrier based in San Antonio, Texas, operating under DOT 136555. No high-severity flags were found on authority or insurance records. Across 50 FMCSA inspections on record, this carrier shows 21.4% vehicle OOS and 0.0% driver OOS. Authority and safety history are clean as of this page's last update.
FMCSA Registration
DOT Number
136555
Operating Status
Active
Safety Rating
Satisfactory
Entity Type
Corporation
MCS-150 Filed
May 7, 2025
FMCSA Registration
June 1, 1974
Authority Granted
June 4, 2013
Annual Mileage
16,020,000 mi (2024)
Contact Information
Address
4600 Goldfield, San Antonio, TX 78218
Phone
Email
Owner / Officer
Michael Mangold
Officer 2
Orsum Walker
Operating Authority
MC080252
Common Carrier, Contract Carrier
MC825355
Broker of Property (Except Household Goods) · $0 required
MC80252
Motor Carrier of Property (Except Household Goods) · $1,000,000 required
Insurance on File
Protective Insurance Company
Bond · $75,000 · Policy B-13183
PROTECTIVE INSURANCE CO.
BI&PD · Policy B-9555
Protective Insurance Company
Cargo · $5,000 · Policy B-9555
Protective Insurance Company
Bond · $0 · Policy B-9555
Protective Insurance Company
Bond · $1,000,000 · Policy B9555
Is this your company?
Stop waiting on broker payments — see what factoring your invoices with RTS would cost.
Partner offer · CarrierChk may be compensated
Safety Percentile
0th percentile
vs. peer carriers
✓ Below FMCSA alert threshold (65th pct) · lower percentile = fewer violations than peers · source: FMCSA SMS
Safety & Inspection Summary
Total Inspections
50
Driver Inspections
16
Vehicle Inspections
42
Total OOS Orders
9
Violations by Category
Vehicle Maintenance25
Unsafe Driving5
Hours of Service9
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate21.4% · national avg 20.7%
⚠ Above national average (0.7pp higher)
Inspection Trend by Year
2026
2025
2024
Inspection Records (50)
| Date | State | Level | Vehicle | Viol. | Status |
|---|---|---|---|---|---|
| March 31, 2024 | AR | Level III — Driver Only | — | 0 | Clean |
| May 30, 2024 | TX | Level II — Walk-Around | FRHT · 3AKJGLD58FSGF9339 | 1 | Passed |
| March 30, 2026 | TX | Level I — Full | INTL · 3HSDXTZNXLN072985 | 0 | Clean |
| March 30, 2026 | TX | Level II — Walk-Around | PTRB · 1XPBD49X2LD684114 | 0 | Clean |
| March 30, 2026 | TX | Level II — Walk-Around | INTL · 3HSDJAPR8GN229012 | 0 | Clean |
| July 30, 2024 | IN | Level III — Driver Only | FREIGHTLIN · 3AKJHHDR7NSMD0482 | 3 | Passed |
| January 30, 2025 | TX | Level II — Walk-Around | INTL · 3HSDZTZR7NN254918 | 3 | Passed |
| August 30, 2024 | TX | Level II — Walk-Around | INTL · 3HCDZAPR8JL075960 | 0 | Clean |
| April 30, 2026 | TX | Level I — Full | FRHT · 3AKJGLD50ESFT3592 | 0 | Clean |
| April 30, 2024 | TX | Level II — Walk-Around | INTL · 3HCDYAPN6NL809355 | 0 | Clean |
| April 30, 2024 | AR | Level III — Driver Only | CUSTOM SCO · 3HSDZAPR4LN054437 | 0 | Clean |
| April 30, 2024 | TX | Level II — Walk-Around | INTL · 3HSDZAPR1RN152544 | 0 | Clean |
Showing 12 of 50 inspection records
Authority History
| Date | Status | Type |
|---|---|---|
| June 4, 2013 | GRANTED | Property Broker |
| June 4, 2013 | Active GRANTED | Broker of Property (Except Household Goods) |
| May 29, 1987 | GRANTED | Contract Carrier |
| June 23, 1983 | GRANTED | Common Carrier |
| June 23, 1983 | Active GRANTED | Motor Carrier of Property (Except Household Goods) |
| May 3, 1982 | GRANTED | Common Carrier |
| March 25, 1982 | GRANTED | Common Carrier |
| October 13, 1981 | REJECTED | Common Carrier |
| August 7, 1981 | GRANTED | Common Carrier |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| BI&PD | Cancellation Pending | |
| Broker's Surety Bond | Cancellation Pending | |
| Cargo | Cancellation Pending | |
| BI&PD | Term/repl · Protective Insurance Company |
BOC-3 Process Agent
C T Corporation System
1015 15TH ST NW STE 1000, Washington, DC, 20005-2621
Other Carriers in San Antonio, TX
Data sourced from FMCSA MCMIS via Socrata. Last updated: August 4, 2026.
Verify directly on FMCSA SAFER Web.
Verify Any Carrier Free
Search any DOT or MC number for live authority status, insurance on file, and full safety history.
This profile is built from public FMCSA records. If this is your company, you can hide your contact details or remove this page.