Mather Bros Inc is an active interstate carrier based in Ridgecrest, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 55 | 0 | 0 |
| Tractors | 10 | 45 | 0 |
| Trailers | 55 | 0 | 0 |
| Total Power Units | 55 | ||
Distinct vehicles · 24 mo
vs 55 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 88% | 94% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 64% | 95% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 86% | 91% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 9 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Apr 1, 2025 | 0 | 1 | 1 | 1 |
| Jan 1, 2025 | 0 | 0 | 1 | 1 |
| Oct 1, 2024 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 6, 2026 | AZ | TRUCK TRACTOR | 2 | 0 |
| Feb 3, 2026 | CA | TRUCK TRACTOR | 1 | 0 |
| Jan 11, 2026 | CA | TRUCK TRACTOR | 1 | 1 |
| Jan 6, 2026 | NM | TRUCK TRACTOR | 0 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 7 | 1.41 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 16 | 4.68 | — |
| Driver Fitness | 1 | 0.01 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 4 states. Top state CA accounts for 59% of activity. Activity outside home state (CA): 41%.
| 25 |
| 8 |
| 8 |
| Unsafe Driving | 7 | 2 | 0 |
| Driver Fitness | 1 | 0 | 0 |
| Dec 2, 2025 |
| NV |
| TRUCK TRACTOR |
| 3 |
| 1 |
| Nov 18, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Nov 17, 2025 | CA | TRUCK TRACTOR | 1 | 0 |
| Nov 13, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Aug 19, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Aug 1, 2025 | AZ | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 6, 2026 | 39311A1CSLRR | Conspicuity Systems - Truck tractor lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Feb 6, 2026 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| Feb 3, 2026 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Jan 11, 2026 | 3939ALSLIWR | Lighting - Stop lamps - Both inoperative when required to be on | Vehicle Maintenance | Yes |
| Dec 2, 2025 | 39323LEU | Lighting - All electrical systems on towed vehicle(s) inoperative due to no electrical connection (e.g. unplugged or loose pigtail) | Vehicle Maintenance | Yes |
| Dec 2, 2025 | 39375A3ATIS | Tires - All others leaking in tread area with inflation more than 50% of the maximum inflation pressure on tire equipped with ATIS | Vehicle Maintenance | — |
| Dec 2, 2025 | 39375CTAOTDLT232 | Tires - Less than 2/32 inch tread depth | Vehicle Maintenance | — |
| Nov 17, 2025 | 39355D3B | Air Brake - ABS malfunction trailers manufactured after March 1 2001 unable to transmit ABS malfunction signal to towing vehicle | Vehicle Maintenance | — |
| Jul 21, 2025 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Jul 21, 2025 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |