Flat Rate Inc is an active interstate carrier based in Big Stone City, SD.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 33 | 0 | 0 |
| Tractors | 18 | 0 | 0 |
| Trailers | 20 | 0 | 0 |
| Total Power Units | 51 | ||
Distinct vehicles · 24 mo
vs 51 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 76% | 90% | Worse than most peers |
| HOS Compliance | 72% | 92% | Around peer average |
| Driver Fitness | 68% | 95% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 36% | 82% | Around peer average |
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 | 3 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 10 | 3 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 20, 2026 | ND | TRUCK TRACTOR | 1 | 0 |
| Dec 16, 2025 | ND | STRAIGHT TRUCK | 0 | 0 |
| Oct 17, 2025 | SD | STRAIGHT TRUCK | 0 | 0 |
| Sep 3, 2025 | SD | STRAIGHT TRUCK | 0 | 0 |
| Aug 18, 2025 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 5 | 0.75 | — |
| HOS Compliance | 1 | 0.16 | — |
| Vehicle Maintenance | 3 | 3.00 | — |
| Driver Fitness | 2 | 0.32 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 5 states. Top state SD accounts for 43% of activity. Activity outside home state (SD): 57%.
| 3 |
| Unsafe Driving | 5 | 2 | 0 |
| Driver Fitness | 2 | 1 | 2 |
| Hours-of-Service Compliance | 1 | 0 | 1 |
| MN |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Aug 13, 2025 | MN | STRAIGHT TRUCK | 1 | 0 |
| Jul 29, 2025 | SD | TRUCK TRACTOR | 0 | 0 |
| Jul 14, 2025 | SD | TRUCK TRACTOR | 0 | 0 |
| Jun 6, 2025 | SD | STRAIGHT TRUCK | 0 | 0 |
| Jun 3, 2025 | SD | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 20, 2026 | 3922SLLFY | State/Local Laws - Failed to yield right of way | Unsafe Driving | — |
| Aug 13, 2025 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |
| Jun 3, 2025 | 39216D | Driver - Failed to use seat belt while operating a CMV | Unsafe Driving | — |
| May 1, 2025 | 393130BCHVE | Heavy Vehicles/Equipment - Improper securement of accessory equipment or articulated vehicles | Vehicle Maintenance | Yes |
| Nov 21, 2024 | 39343DBMA | Brake - Breakaway not attached to the towing vehicle | Vehicle Maintenance | Yes |
| Nov 21, 2024 | 39360C | Windshield - Damaged or Discolored | Vehicle Maintenance | — |
| Nov 21, 2024 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Nov 21, 2024 | 3939ALHWS | Lighting - Hazard warning signal(s) inoperative | Vehicle Maintenance | — |
| Nov 21, 2024 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Nov 21, 2024 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |