Monson And Sons Inc is an active interstate carrier based in Britt, IA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 165 | 0 | 0 |
| Tractors | 165 | 0 | 0 |
| Trailers | 455 | 0 | 0 |
| Total Power Units | 165 | ||
Distinct vehicles · 24 mo
vs 165 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 70% | 83% | Around peer average |
| HOS Compliance | 93% | 95% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 43% | 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 | 18 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 0 | 1 | 1 |
| Oct 1, 2025 | 0 | 1 | 2 | 2 |
| Jul 1, 2025 | 0 | 0 | 1 | 1 |
| Apr 1, 2025 | 0 | 1 | 1 | 1 |
| Jan 1, 2025 | 0 | 2 | 3 | 3 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 44 | 16 | 20 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 18, 2026 | MO | TRUCK TRACTOR | 0 | 0 |
| Mar 13, 2026 | IA | TRUCK TRACTOR | 2 | 0 |
| Mar 13, 2026 | TX | TRUCK TRACTOR | 0 | 0 |
| Mar 12, 2026 | TX | TRUCK TRACTOR | 0 | 0 |
| Mar 7, 2026 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 19 | 0.97 | — |
| HOS Compliance | 16 | 0.33 | — |
| Vehicle Maintenance | 30 | 2.92 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 17 states. Top state IA accounts for 25% of activity. Activity outside home state (IA): 75%.
+12 other states with fewer inspections
| Jul 1, 2024 |
| 0 |
| 0 |
| 1 |
| 1 |
| Hours-of-Service Compliance |
| 24 |
| 5 |
| 1 |
| Unsafe Driving | 19 | 7 | 0 |
| IA |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Mar 5, 2026 | OK | TRUCK TRACTOR | 0 | 0 |
| Mar 4, 2026 | MO | TRUCK TRACTOR | 0 | 0 |
| Mar 2, 2026 | NM | TRUCK TRACTOR | 0 | 0 |
| Feb 27, 2026 | AR | TRUCK TRACTOR | 0 | 0 |
| Feb 25, 2026 | MO | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 13, 2026 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Mar 13, 2026 | 39524C2IIELDTN | HOS (ELD) - Driver failing to manually input or verify CMV trailer number. | Hours-of-Service Compliance | — |
| Feb 11, 2026 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Jan 27, 2026 | 39381 | Horn inoperative | Vehicle Maintenance | — |
| Jan 27, 2026 | 39375A3 | Tire-flat and/or audible air leak | Vehicle Maintenance | Yes |
| Jan 19, 2026 | 3922SLLS4 | State/Local Laws - Speeding 15 or more miles per hour over the speed limit | Unsafe Driving | — |
| Jan 14, 2026 | 393207BAALPMEOOS | More than 25% of the locking pins are missing or not engaged | Vehicle Maintenance | Yes |
| Jan 14, 2026 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Dec 19, 2025 | 39216 | Failing to use seat belt while operating a CMV | Unsafe Driving | — |
| Nov 8, 2025 | 39375A1TEPBM | Tires - All others - Exposed ply or belt material in tread or sidewall area | Vehicle Maintenance | — |