King Bros Inc is an active interstate carrier based in Riverside, IA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 12 | 0 | 0 |
| Tractors | 9 | 3 | 0 |
| Trailers | 10 | 5 | 0 |
| Total Power Units | 12 | ||
Distinct vehicles · 24 mo
vs 12 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 50% | 83% | Around peer average |
| HOS Compliance | 90% | 96% | Worse than most peers |
| Driver Fitness | 80% | 95% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 56% | 86% | 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 | 2 | — | 6.67% |
| Vehicle | 0 | 9 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2024 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 20 | 9 | 8 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 24, 2026 | AR | TRUCK TRACTOR | 0 | 0 |
| Mar 14, 2026 | AR | TRUCK TRACTOR | 0 | 0 |
| Mar 13, 2026 | ND | TRUCK TRACTOR | 0 | 0 |
| Feb 28, 2026 | IA | SEMI-TRAILER | 2 | 0 |
| Feb 20, 2026 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 0.97 | — |
| HOS Compliance | 9 | 0.44 | — |
| Vehicle Maintenance | 14 | 3.29 | — |
| Driver Fitness | 2 | 0.17 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 23 states. Top state MT accounts for 16% of activity. Activity outside home state (IA): 87%.
+18 other states with fewer inspections
| Hours-of-Service Compliance | 10 | 4 | 0 |
| Unsafe Driving | 3 | 0 | 0 |
| Driver Fitness | 2 | 1 | 2 |
| UT |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Feb 6, 2026 | WA | TRUCK TRACTOR | 0 | 0 |
| Feb 3, 2026 | MT | TRUCK TRACTOR | 0 | 0 |
| Jan 28, 2026 | MT | TRUCK TRACTOR | 0 | 0 |
| Jan 27, 2026 | ID | TRUCK TRACTOR | 2 | 0 |
| Jan 21, 2026 | WA | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 28, 2026 | 3953A2PROP | Driving beyond 14 hour duty period (Property carrying vehicle) | Hours-of-Service Compliance | — |
| Feb 28, 2026 | 3958E1PC | False Record of Duty Status - Improper use of Personal Conveyance Exception | Hours-of-Service Compliance | — |
| Jan 27, 2026 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Jan 27, 2026 | 3939ALSML | Lighting - Side marker lamp(s) inoperative | Vehicle Maintenance | — |
| Jan 13, 2026 | 3929A2C | Cargo - Vehicle components or dunnage not secured | Vehicle Maintenance | Yes |
| Jan 13, 2026 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Dec 18, 2025 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Nov 1, 2025 | 39345D | Brake connections with leaks or constrictions | Vehicle Maintenance | — |
| Nov 1, 2025 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Oct 18, 2025 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |