M & S BROS TRUCKLINES INC
- 2388894
-
5212 COOL RUSH TERRACE
BAKERSFIELD, CA 93313 - 2
- 2
- 140
Safety Rating & OOS Rates AND Licensing and Insurance
As part of FMCSA’s IT modernization strategy, we are in the process of merging our data platforms to make it easier for you to find the information you need. During this transition, please refer to the links below for additional information about this carrier.
- For licensing and insurance information, visit Motus: USDOT Registration System.
- For safety rating and Out-of-Service (OOS) rates, visit SAFER.
- If you are a motor carrier looking for your Inspection Selection System (ISS) value, log in to the FMCSA Portal.
BASIC Status
(Public Property Carrier View)
Behavior Analysis & Safety Improvement Categories (BASICs) Based on a 24-month record ending July 31, 2026
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Unsafe Driving
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Not Public Crash Indicator
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Hours-of-Service Compliance
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Vehicle Maintenance
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Controlled Substances and Alcohol
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Not Public Hazardous Materials Compliance
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Driver Fitness
Select a BASIC icon above to get details, or view your Complete SMS Profile.
Vehicle Maintenance
On-Road Performance
7.30
Safety Event Group: 21-100 relevant vehicle inspections
Investigation Results
No Acute/Critical Violations Discovered
Carrier Measure Over Time
- Trends
This graph displays a carrier’s measure based on 24 months of on-road performance. Zero indicates the best performance. To see how the measure is calculated click here. To see how the measure relates to percentile click here. Expand for more information.
- 12
- 9
- 6
- 3
- 0
- -3
- Feb 27
- Mar 27
- Apr 24
- May 15
- Jun 26
- Jul 31
- 2026
- 2026
- 2026
- 2026
- 2026
- 2026
| Feb 27 2026 | Mar 27 2026 | Apr 24 2026 | May 15 2026 | Jun 26 2026 | Jul 31 2026 | |
|---|---|---|---|---|---|---|
| Measure | 6.87 | 7.43 | 7.44 | 7.27 | 7.10 | 7.30 |
| Measure | 0 | 0 | 0 | 0 | 0 | 0 |
Violation Summary
Vehicle Maint. Violations: 143
| Violations | Description | # Violations | # OOS Violations | Violation Severity Weight |
|---|---|---|---|---|
| 393.47(e) | Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | 9 | 0 | 4 |
| 393.53B-B | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | 6 | 0 | 4 |
| 393.9A-LCL | Lighting - Clearance lamp(s) inoperative | 6 | 0 | 2 |
| 393.9A-LSML | Lighting - Side marker lamp(s) inoperative | 6 | 0 | 2 |
| 393.45D-B | Air Brake - Audible air leak at a proper connection | 5 | 0 | 4 |
| 393.9 | Inoperable Required Lamp | 5 | 0 | 2 |
| 396.17C-PI | Operating a CMV without documentation of a periodic inspection | 5 | 0 | 4 |
| 396.3(a)1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | 5 | 5 | 0 |
| 392.2-SLLMF | State/Local Laws - Wheel (mud) flaps missing or defective | 4 | 0 | 1 |
| 393.45B2-BHTD | Air Brake - Hose/tubing damage into the outer reinforcement ply. | 4 | 4 | 4 |
| 393.9A-LSLIWR | Lighting - Stop lamps - Both inoperative when required to be on | 4 | 4 | 6 |
| 393.45B2-B-AIR | Air Brake - Hose/tubing damaged or not secured | 3 | 1 | 4 |
| 393.45D-BAAL | Air Brake - Audible air leak at other than a proper connection | 3 | 3 | 4 |
| 393.55C2-B | Air Brake - CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system. System does not function or indicates a fault. | 3 | 0 | 4 |
| 393.55D1-B | Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1, 1997 and each single unit CMV on or after 1998. | 3 | 0 | 4 |
| 393.45C-BSG | Air Brake - Missing or inadequate Nonmetallic tubing spring guard | 2 | 0 | 4 |
| 393.53(b) | CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear | 2 | 0 | 4 |
| 393.55(e) | No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/1998 | 2 | 0 | 4 |
| 393.55E-B | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 | 2 | 0 | 4 |
| 393.60(c) | Windshield - Damaged or Discolored | 2 | 0 | 1 |
| 393.75(c) | Tire-other tread depth less than 2/32 of inch measured in a major tread groove | 2 | 0 | 8 |
| 393.75C-TAOTD-LT2/32 | Tires - Less than 2/32 inch tread depth | 2 | 0 | 8 |
| 393.78A-WS | Washers - Inoperative washing system. | 2 | 0 | 1 |
| 393.95(a) | No/discharged/unsecured fire extinguisher | 2 | 0 | 2 |
| 393.95A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | 2 | 0 | 2 |
| 393.9A-LFTSI | Lighting - Front - Turn signal - inoperative | 2 | 0 | 6 |
| 393.9T | Inoperable tail lamp | 2 | 1 | 6 |
| 396.17(c) | Operating a CMV without proof of a periodic inspection | 2 | 0 | 4 |
| 396.5B-HWSL | Hubs - Wheel seal leaking | 2 | 0 | 2 |
| 392.8 | Failing to inspect/use emergency equipment | 1 | 0 | 2 |
| 392.9(a)(3) | Drivers view and / or movement is obstructed | 1 | 0 | 1 |
| 393.11A1-CSLRR | Conspicuity Systems - Truck tractor, lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997 | 1 | 0 | 3 |
| 393.11A1-LFTSM | Lighting - Front - Turn signal - missing. | 1 | 0 | 6 |
| 393.11A1-LSML | Lighting - Side marker lamp(s) missing | 1 | 0 | 2 |
| 393.11TL | Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 | 1 | 0 | 3 |
| 393.201A-VLRB | Van/OT Trailers - Lower rail broken with complete separation in bay area | 1 | 1 | 2 |
| 393.201A-VUCS | Van/OT Trailers - Upper rail flange broken with complete separation | 1 | 1 | 2 |
| 393.203E-CBP | Cab and Body Parts - Cab front bumper missing/not secured/protruding | 1 | 0 | 2 |
| 393.205(a) | Wheel/rim cracked or broken | 1 | 0 | 2 |
| 393.45(b)(2) | Brake hose or tubing chafing and/or kinking | 1 | 1 | 4 |
| 393.45(d) | Brake connections with leaks or constrictions | 1 | 0 | 4 |
| 393.45B2UV | Brake Hose or Tubing Chafing and/or Kinking Under Vehicle | 1 | 0 | 4 |
| 393.45DLPC | Brake Connections with Leaks - Connection to Power Unit | 1 | 0 | 4 |
| 393.47A-BCLMAD-SA | Air Disc Brake - Cracked/loose/missing lining/pad on a steering axle | 1 | 1 | 4 |
| 393.47D1-BPTAD-SA-1/16 | Air Disc Brake - Pad thickness (air disc brakes less than 1/16) on a steering axle | 1 | 1 | 4 |
| 393.47D2-BLTBD | Drum Brake - Inadequate lining/pad thickness | 1 | 0 | 4 |
| 393.48A-BIBD | Drum Brake - Inoperative other than a steering axle | 1 | 0 | 4 |
| 393.48A-BMBCBD | Drum Brake - Missing/broken component(s) | 1 | 0 | 4 |
| 393.55(c)(1) | Truck Tractor manufactured on or after March 1, 1997 not equipped with an antilock brake system | 1 | 0 | 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 | 0 | 4 |
| 393.55D2-B | Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1, 2001 for towed vehicle. | 1 | 0 | 4 |
| 393.60(d) | Windshield / Windows - Tinting permits less than 70% of light transmittance | 1 | 0 | 1 |
| 393.60E | Windshield - Obstructed | 1 | 0 | 1 |
| 393.70B1I-CDSLI-LT25 | Coupling - Slider latching fasteners - 25% or less ineffective on either side. | 1 | 1 | 3 |
| 393.75(a) | Flat tire or fabric exposed | 1 | 1 | 8 |
| 393.75A1-TAORETA | Tires - All others, has more than one ply exposed in the tread area exceeding 2 square inches. | 1 | 1 | 8 |
| 393.75A3-TAOL | Tires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | 1 | 1 | 8 |
| 393.75C-TAOTD-LT1/32 | Tires - Less than 1/32 inch tread depth at 3 locations/2 adjacent tread grooves | 1 | 0 | 8 |
| 393.78 | Wipers - Inoperative / missing / damaged wipers | 1 | 0 | 1 |
| 393.79 | Defroster/Defogger - Inoperative or defective | 1 | 0 | 1 |
| 393.81 | Horn inoperative | 1 | 0 | 3 |
| 393.95(f) | Emergency Equipment - Stopped vehicle warning devices missing or improper | 1 | 0 | 2 |
| 393.95A4-EEUS | Emergency Equipment - Fire Extinguishers - unsecured | 1 | 0 | 2 |
| 393.9A-LIL | Lighting - Identification lamp(s) inoperative | 1 | 0 | 2 |
| 393.9A-LRLI | Lighting - Tail lamp - Any inoperative | 1 | 0 | 6 |
| 393.9H | Inoperable head lamps | 1 | 0 | 6 |
| 393.9TS | Inoperative turn signal | 1 | 0 | 6 |
| 396.3A1-ALBV | Air Brake - Any leak from a brake valve | 1 | 0 | 4 |
| 396.3A1-BALR | Air Brake - Fails air loss rate test | 1 | 1 | 4 |
| 396.3A1B | Brakes (general) Explain: | 1 | 0 | 4 |
| 396.5-HL | Hubs - Leaking hub | 1 | 1 | 2 |
| 396.7A-UOC | Unsafe Operations - Severe Post Crash Condition | 1 | 1 | 3 |
| 396.9(d)(2) | Failure to correct defects noted on previous inspection report | 1 | 0 | 4 |
Inspection History
Vehicle Inspections: 78
Please select to view your Inspection History. You can also sort your data by Date, Report Number, Vehicle Type, etc.
| Report | Vehicle | Measure = Sum of the Total Weight (TotW) Sum of the Time Weight (TiW) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Inspection Date | Number | State | Plate Number | Plate State | Type |
Severity Weight (SW) |
Time Weight (TiW) |
Total Weight (TotW) |
||
| Sum of measure weights | Sum of measure weights | 552 | 105 | 767 | ||||||
*** The sum of all violation severity weights (violation weight + out-of-service) for this inspection has been capped at 30.
Investigation Results
Vehicle Maint. Acute/Critical Violations: 0
This carrier has no Vehicle Maintenance Acute/Critical Violations to display.
Summary of Activities
The summary includes information on the 5 most recent investigations and 24 months of inspections and crash history.
- 12/18/2025 (Non-Ratable Review)
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140
- 59
- 81
- : 9
*Crashes listed represent a motor carrier’s involvement in reportable crashes, regardless of the carrier’s or driver’s role in the crash. Continue for details.
Continue for more Crash, Inspection & Investigation DetailsCarrier Registration
Carrier Registration Details Subject to General Threshold Update Registration InfoInspection Selection System
As part of FMCSA’s IT modernization strategy, we are in the process of merging our data platforms to make it easier for you to find the information you need. During this transition, please refer to the links below for additional information about this carrier.
- For licensing and insurance information, visit Motus: USDOT Registration System.
- For safety rating and Out-of-Service (OOS) rates, visit SAFER.
- If you are a motor carrier looking for your Inspection Selection System (ISS) value, log in to the FMCSA Portal.
Enforcement Cases
(Six years as of 08/21/2026 updated monthly from FMCSA )
No penalties found
Tools/Resources
SMS Methodology How to Improve Request a Data ReviewFor U.S. DOT# 2388894
Complete SMS Profile Carrier History DownloadsUse of SMS Data/Information
FAST Act of 2015:
Readers should not draw conclusions about a carrier's overall safety condition simply based on the data displayed in this system. Unless a motor carrier has received an UNSATISFACTORY safety rating under part 385 of title 49, Code of Federal Regulations, or has otherwise been ordered to discontinue operations by the Federal Motor Carrier Safety Administration, it is authorized to operate on the Nation's roadways.
Safety Measurement System:
The data in the Safety Measurement System (SMS) is performance data used by the
Agency and Enforcement Community. A
symbol, based on that data, indicates that FMCSA may prioritize a motor carrier
for further monitoring.
The
symbol is not intended to imply any federal safety rating of the carrier pursuant
to 49 USC 31144. Readers should not draw conclusions about a carrier's overall safety
condition simply based on the data displayed in this system. Unless a motor carrier
in the SMS has received an UNSATISFACTORY safety rating pursuant to 49 CFR Part
385, or has otherwise been ordered to discontinue operations by the FMCSA, it is
authorized to operate on the nation's roadways.
Motor carrier safety ratings are available at http://safer.fmcsa.dot.gov and motor carrier licensing and insurance status are available at http://li-public.fmcsa.dot.gov/.