Earl L Bonsack Inc is an active interstate carrier based in La Crosse, WI.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 59 | 0 | 0 |
| Tractors | 59 | 0 | 0 |
| Trailers | 154 | 0 | 0 |
| Total Power Units | 59 | ||
Distinct vehicles · 24 mo
vs 59 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 97% | 95% | Worse than most peers |
| HOS Compliance | 72% | 97% | Around peer average |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 37% | 88% | 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 | 4 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2025 | 0 | 1 | 1 | 1 |
| Apr 1, 2025 | 0 | 3 | 3 | 3 |
| Oct 1, 2024 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Unsafe Driving | 16 | 6 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 11, 2026 | MN | TRUCK TRACTOR | 1 | 0 |
| Jan 27, 2026 | UT | TRUCK TRACTOR | 3 | 0 |
| Jan 13, 2026 | NY | TRUCK TRACTOR | 0 | 0 |
| Jan 5, 2026 | WI | TRUCK TRACTOR | 0 | 0 |
| Dec 29, 2025 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 15 | 2.62 | — |
| HOS Compliance | 3 | 0.07 | — |
| Vehicle Maintenance | 7 | 2.02 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 13 states. Top state WI accounts for 33% of activity. Activity outside home state (WI): 67%.
+8 other states with fewer inspections
| Vehicle Maintenance | 11 | 3 | 4 |
| Hours-of-Service Compliance | 3 | 0 | 0 |
| SD |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Dec 29, 2025 | IA | TRUCK TRACTOR | 1 | 0 |
| Dec 20, 2025 | IN | TRUCK TRACTOR | 1 | 0 |
| Dec 17, 2025 | WI | TRUCK TRACTOR | 0 | 0 |
| Nov 25, 2025 | NY | TRUCK TRACTOR | 1 | 0 |
| Nov 20, 2025 | WI | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 11, 2026 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Jan 27, 2026 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |
| Jan 27, 2026 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Jan 27, 2026 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Dec 29, 2025 | 39524C1III | Driver failed to add file comment per safety officers request | Hours-of-Service Compliance | — |
| Dec 20, 2025 | 3922SLLILC | State/Local Laws - Improper lane change | Unsafe Driving | — |
| Nov 25, 2025 | 39524 | HOS (ELD) - ELD Form and Manner | Hours-of-Service Compliance | — |
| Nov 20, 2025 | 3922SLLML | State/Local Laws - Failure to maintain lane | Unsafe Driving | — |
| Nov 11, 2025 | 3939ALSLIWR | Lighting - Stop lamps - Both inoperative when required to be on | Vehicle Maintenance | Yes |
| Sep 17, 2025 | 3922SLLS4 | State/Local Laws - Speeding 15 or more miles per hour over the speed limit | Unsafe Driving | — |