DBA: Vieira Dairy Farm
Mark J Vieira is an active intrastate non-hazmat carrier based in Atwater, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 5 | 0 | 0 |
| Trailers | 18 | 0 | 0 |
| Total Power Units | 5 | ||
Distinct vehicles · 24 mo
vs 5 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 | 79% | 94% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 78% | 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 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 19 | 8 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 13, 2026 | CA | TRUCK TRACTOR | 2 | 0 |
| Feb 11, 2026 | CA | TRUCK TRACTOR | 1 | 1 |
| Nov 22, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Nov 22, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 1.20 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 10 | 5.16 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state CA accounts for 100% of activity. Activity outside home state (CA): 0%.
| 3 |
| Unsafe Driving | 1 | 0 | 0 |
| Nov 17, 2025 |
| CA |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Aug 14, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Jul 12, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Jul 10, 2025 | CA | TRUCK TRACTOR | 3 | 0 |
| Jun 6, 2025 | CA | TRUCK TRACTOR | 1 | 0 |
| Apr 8, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 13, 2026 | 39311BCSLRR | Conspicuity Systems - Trailers lower rear retro reflective sheeting inadequate on vehicle manufactured on or after December 1 1993 | Vehicle Maintenance | — |
| Mar 13, 2026 | 39311BCSSRR | Conspicuity Systems - Trailers side retro reflective sheeting inadequate on vehicle manufactured on or after December 1 1993 | Vehicle Maintenance | — |
| Feb 11, 2026 | 3939BLRLIWR | Lighting - Tail lamp - Both lamps on rearmost vehicle inoperative when required to be on | Vehicle Maintenance | Yes |
| Jul 10, 2025 | 3922SLLMF | State/Local Laws - Wheel (mud) flaps missing or defective | Vehicle Maintenance | — |
| Jul 10, 2025 | 39345B2BVAC | Brake - Vacuum hose(s) or line(s) restricted/abraded/chafed through outer cover-to-cord ply crimped/cracked/broken | Vehicle Maintenance | — |
| Jul 10, 2025 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | — |
| Jun 6, 2025 | 3922SLLLR | State/Local Laws - Lane restriction violation | Unsafe Driving | — |
| Feb 25, 2025 | 39311A1CSURR | Conspicuity Systems - Truck tractor upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Feb 25, 2025 | 3939ALFTSI | Lighting - Front - Turn signal - inoperative | Vehicle Maintenance | — |
| Nov 30, 2024 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |