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Freight Carrier/broker · San Antonio, TX

SOUTHWESTERN MOTOR TRANSPORT INC

4600 GOLDFIELD · San Antonio, TX 78218

Authorized: Property
(210) 661-6791 Tap to call
  • MC #80252
  • USDOT #136555 USDOT Active
  • 312
    Power Units
  • 281
    Drivers
  • Carrier/broker
    Entity Type

About this carrier

SOUTHWESTERN MOTOR TRANSPORT INC is a San Antonio, TX freight carrier/broker that is authorized for property in the state of Texas. This company has 312 truck(s) in their fleet and 281 truck drivers. Their motor carrier number is MC-80252 and their USDOT number is 136555.

Sourced from FMCSA SAFER · last filed 05/07/2025 · last updated May 13, 2026.

Carrier Details

  • Operating Status AUTHORIZED FOR Property
  • MCS-150 Filed 05/07/2025
  • MCS-150 Mileage 16,020,000 (2024)

Authority & Operations

Operation Classification
  • Authorized for Hire
Carrier Operation
  • Interstate

Cargo Authorized

  • General Freight
  • Building Materials
  • Oilfield Equipment
  • Beverages
  • Paper Products
  • Construction

Operating Territory

Map of states where this carrier has roadside inspections Texas — 133 inspections (past 24 months) Texas — 133 inspections (past 24 months) Arkansas — 11 inspections (past 24 months) Indiana — 7 inspections (past 24 months) Illinois — 6 inspections (past 24 months) Oklahoma — 5 inspections (past 24 months) Tennessee — 2 inspections (past 24 months) Missouri — 2 inspections (past 24 months) New Mexico — 2 inspections (past 24 months) Ohio — 1 inspection (past 24 months) Mississippi — 1 inspection (past 24 months) Alabama — 1 inspection (past 24 months)

Inspection activity   Inspected in 11 states over the past 24 months: TX (133), AR (11), IN (7), IL (6), OK (5), TN (2), MO (2), NM (2), OH (1), MS (1), AL (1). Home base: San Antonio, Texas.

Safety Record

SATISFACTORY 10 Severe Violations Updated 1 days ago

Out of Service Rates (24 mo)

TypeThis carrierNational avg Vehicle 11.3% 23.4% Driver 0.6% 6.7% Hazmat 9.1% 4.4%

Crashes (24 mo)

  • 0
    Fatal
  • 3
    Injury
  • 6
    Tow
  • 9
    Total

Behavior Categories (BASICs)

CategoryMeasureViolations Unsafe Driving 0.14 7 Crash Indicator Not Public — Hours of Service 0.06 5 Vehicle Maintenance 2.62 52 Drugs / Alcohol 0 0 Hazmat Not Public — Driver Fitness 0.03 1

Inspection Summary

  • 171
    Total
  • 113
    Clean
  • 58
    With violations

24-month window ending May 15, 2026

Violations Cited 59 unique codes

Critical 15

  • 393.75(a)(3)Tire-flat and/or audible air leak2× OOS×2 SW 8
  • 393.75A3-TAOLTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS2× OOS×2 SW 8
  • 383.23(a)(2)Operating a CMV without a CDL1× OOS×1 SW 8
  • 393.75A3-TAOLTISTires - All others, leaking in tread area and inflation less than 50% of the maximum inflation pressure on tire equipped with ATIS1× OOS×1 SW 8
  • 393.75(c)Tire-other tread depth less than 2/32 of inch measured in a major tread groove2× SW 8
  • 393.9(a)Inoperative Brake Lamps1× OOS×1 SW 6
  • 172.502(a)(1)Prohibited placarding1× OOS×1 SW 5
  • 396.3A1BLBrake system pressure loss2× OOS×2 SW 4
  • 393.45B2UVBrake Hose or Tubing Chafing and/or Kinking Under Vehicle5× OOS×1 SW 4
  • 393.45A-BHTBSAir Brake - Hose/tubing with a bulge/swelling when air pressure is applied1× OOS×1 SW 4
  • 393.51No or defective brake warning device or pressure gauge1× OOS×1 SW 4
  • 396.3A1-DLDSUJBCBDriveline/Driveshaft - Any missing, broken or loose universal joint bearing cap bolt, bearing strap or retainer bolt1× OOS×1 SW 3
  • 396.5B-HWSLOWHubs - Wheel seal leaking - outer wheel1× OOS×1 SW 2
  • 392.9A2-CCargo - Vehicle components or dunnage not secured3× OOS×3 SW 1
  • 396.3(a)1BOSBrake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination1× OOS×1 SW 0

Unsafe Driving 4

  • 392.2-SLLS3State/Local Laws - Speeding 11-14 miles per hour over the speed limit2× SW 7
  • 392.2CFailure to obey traffic control device1× SW 5
  • 392.2-SLLS2State/Local Laws - Speeding 6-10 miles per hour over the speed limit2× SW 4
  • 392.2-SLLLRState/Local Laws - Lane restriction violation3× SW 3

Vehicle Maintenance 30

  • 393.9HInoperable head lamps5× SW 6
  • 393.9TSInoperative turn signal2× SW 6
  • 393.9TInoperable tail lamp1× SW 6
  • 393.19Inoperative/Defective Hazard Warning Lamp1× SW 6
  • 393.24(a)Non-compliance with headlamp requirements1× SW 6
  • 393.47(e)Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt7× SW 4
  • 393.53(b)CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear7× SW 4
  • 396.3A1BBrakes (general) Explain:4× SW 4
  • 393.45DLPCBrake Connections with Leaks - Connection to Power Unit3× SW 4
  • 393.45B2PCBrake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit2× SW 4
  • 393.45(d)Brake connections with leaks or constrictions1× SW 4
  • 396.17C-PIOperating a CMV without documentation of a periodic inspection1× SW 4
  • 396.17(c)Operating a CMV without proof of a periodic inspection1× SW 4
  • 393.55(e)No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/19981× SW 4
  • 393.55(c)(2)CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system.1× SW 4
  • 393.48(a)Inoperative/defective brakes1× SW 4
  • 393.11TUTruck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 19972× SW 3
  • 393.70(b)Defective/improper fifth wheel assemblies1× SW 3
  • 393.11URUpper Rear retroreflective sheeting or reflex reflecting material requirements for vehicles manufactured after December 19931× SW 3
  • 393.11No or defective lighting devices or reflective material as required1× SW 3
  • 393.9Inoperable Required Lamp9× SW 2
  • 393.95(a)No/discharged/unsecured fire extinguisher3× SW 2
  • 393.95(b)Emergency Equipment - A power unit requiring fuses - missing a spare fuse for a required part or accessory (e.g., lamps required by 393.11, ABS lights or low air warning light).3× SW 2
  • 396.5B-HWSLIWHubs - Wheel seal leaking - inner wheel2× SW 2
  • 396.5B-HLOWHubs - oil and/or Grease Leaking from hub - outer wheel1× SW 2
  • 396.3(a)(1)Inspection, repair and maintenance of parts and accessories1× SW 2
  • 393.78Wipers - Inoperative / missing / damaged wipers4× SW 1
  • 393.100(a)No or improper load securement1× SW 1
  • 393.60(c)Windshield - Damaged or Discolored1× SW 1
  • 393.60(d)Windshield / Windows - Tinting permits less than 70% of light transmittance1× SW 1

Hazardous Materials 4

  • 172.301(a)No ID number on side/ends of non-bulk package - large quantity of single HM1× SW 5
  • 172.402(a)No label for subsidiary hazard1× SW 5
  • 172.602(b)Form and manner of Emergency Response information1× SW 3
  • 172.202(a)(2)No or improper Shipping Name1× SW 3

Hours of Service 6

  • 395.22H4Driver failed to maintain supply of blank drivers records of duty status graph-grids2× SW 1
  • 395.22H3Driver failed to maintain instruction sheet for ELD malfunction reporting requirements2× SW 1
  • 395.22H1-ELDNUMHOS (ELD) - In-Vehicle Information - No user's manual for the driver describing how to operate the ELD. (May be electronic)2× SW 1
  • 395.22H1Driver failing to maintain ELD user's manual2× SW 1
  • 395.22H4-ELDBRODSHOS (ELD) - In-Vehicle Information - Failing to have a supply of blank driver's records of duty status graph-grids sufficient to record the driver's duty status and other related information for a minimum of 8 days.1× SW 1
  • 395.22G-ELDMFVHOS (ELD) - A portable ELD is not mounted in a fixed position and visible to the driver when seated in the normal driving position.1× SW 1

Locations

Physical Address
SOUTHWESTERN MOTOR TRANSPORT INC
4600 GOLDFIELD
SAN ANTONIO, TX 78218
Mailing Address
Same as physical.

Location on Map

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Related Companies

Other entries in the FMCSA database that share data with this carrier — name, phone, or address overlap. Worth a closer look during vetting.

Same physical address 1

These carriers are registered at the same street + ZIP.

CompanyStatusPower UnitsDriversMC#USDOT#
SOUTHWESTERN MOTOR TRANSPORT INC
San Antonio, TX
USDOT Active Authorized: Property312281825355136555

Same phone number 1

These carriers list the same contact phone number.

CompanyStatusPower UnitsDriversMC#USDOT#
SOUTHWESTERN MOTOR TRANSPORT INC
San Antonio, TX
USDOT Active Authorized: Property312281825355136555

Same legal or DBA name 1

These carriers use the same company name (legal or DBA).

CompanyStatusPower UnitsDriversMC#USDOT#
SOUTHWESTERN MOTOR TRANSPORT INC
San Antonio, TX
USDOT Active Authorized: Property312281825355136555

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