Mountain River Transport Llc is an active interstate carrier based in Heyburn, ID.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 4 | 0 | 0 |
| Tractors | 4 | 0 | 0 |
| Trailers | 1 | 0 | 0 |
| Total Power Units | 4 | ||
Distinct vehicles · 24 mo
vs 4 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 99% | 99% | Worse than most peers |
| Driver Fitness | 99% | 99% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 88% | 93% | 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 | 6 | — | 6.67% |
| Vehicle | 0 | 0 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 3 states. Top state AZ accounts for 33% of activity. Activity outside home state (ID): 67%.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 23, 2026 | ID | TRUCK TRACTOR | 2 | 2 |
| Nov 20, 2025 | AZ | TRUCK TRACTOR | 7 | 2 |
| Oct 19, 2025 | WY | TRUCK TRACTOR | 4 | 2 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 2 | 4.66 | — |
| Vehicle Maintenance | 2 | 10.50 | — |
| Driver Fitness | 3 | 11.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Vehicle Maintenance |
| 6 |
| 2 |
| 0 |
| Driver Fitness | 5 | 2 | 4 |
| Hours-of-Service Compliance | 2 | 0 | 2 |
| Date | Code | Description | BASIC | OOS |
|---|
| Jan 23, 2026 | 39111B2S | Driver cannot satisfy the English language proficiency requirements of 391.11(b)(2) as per FMCSA Enforcement Guidance Memo MC-SEE-2025-0001. Driver failed the Hi | Driver Fitness | Yes |
| Jan 23, 2026 | 3958A1HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Hours-of-Service Compliance | Yes |
| Nov 20, 2025 | 38323A2LCDLNP | License (CDL) - Operate a CMV while not in possession of a CDL on person | Driver Fitness | — |
| Nov 20, 2025 | 39111B2Q | Driver cannot satisfy the English language proficiency requirements of 391.11(b)(2) as per FMCSA Enforcement Guidance Memo MC-SEE-2025-0001. Driver failed the I | Driver Fitness | Yes |
| Nov 20, 2025 | 39311BCSRIGRR | Conspicuity Systems - Trailers rear impact guard retro reflective sheeting inadequate on vehicle manufactured on or after December 1 1993 | Vehicle Maintenance | — |
| Nov 20, 2025 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |
| Nov 20, 2025 | 3939ALHLI | Lighting - Headlamp(s) - Any inoperative | Vehicle Maintenance | — |
| Nov 20, 2025 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |
| Nov 20, 2025 | 3958A1HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Hours-of-Service Compliance | Yes |
| Oct 19, 2025 | 38323A2LCDLN | License (CDL) - Operate a CMV and does not possess a valid CDL | Driver Fitness | Yes |