Karrenbrock Construction Inc is an active interstate carrier based in Wentzville, MO.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 35 | 0 | 0 |
| Tractors | 6 | 0 | 0 |
| Trailers | 63 | 0 | 0 |
| Total Power Units | 41 | ||
Distinct vehicles · 24 mo
vs 41 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 61% | 89% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 85% | 93% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 91% | 91% | 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 | 1 | — | 6.67% |
| Vehicle | 0 | 16 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 48 | 19 | 19 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 21, 2026 | MO | STRAIGHT TRUCK | 0 | 0 |
| Jan 13, 2026 | MO | STRAIGHT TRUCK | 0 | 0 |
| Oct 31, 2025 | MO | STRAIGHT TRUCK | 0 | 0 |
| Oct 23, 2025 | MO | STRAIGHT TRUCK | 0 | 0 |
| Oct 10, 2025 | MO |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 4 | 0.69 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 10 | 9.52 | — |
| Driver Fitness | 2 | 0.47 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state MO accounts for 100% of activity. Activity outside home state (MO): 0%.
| Unsafe Driving | 4 | 2 | 0 |
| Driver Fitness | 2 | 0 | 2 |
| STRAIGHT TRUCK |
| 1 |
| 0 |
| Oct 9, 2025 | MO | STRAIGHT TRUCK | 12 | 4 |
| Sep 8, 2025 | MO | TRUCK TRACTOR | 1 | 0 |
| Aug 27, 2025 | MO | STRAIGHT TRUCK | 0 | 0 |
| Jul 28, 2025 | MO | STRAIGHT TRUCK | 2 | 0 |
| Jul 9, 2025 | MO | STRAIGHT TRUCK | 4 | 2 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Oct 10, 2025 | 393203CCBP | Cab and Body Parts - Hood not securely fastened | Vehicle Maintenance | — |
| Oct 9, 2025 | 39141B10MC | Medical (Certificate) - Operating a commercial vehicle without corrective lenses or hearing aid as indicated on the driver's medical certificate | Driver Fitness | Yes |
| Oct 9, 2025 | 3922SLLSWZ | State/Local Laws - Speeding work/construction zone | Unsafe Driving | — |
| Oct 9, 2025 | 393104BC | Cargo - Damaged securement devices/tiedowns | Vehicle Maintenance | — |
| Oct 9, 2025 | 39311A1LIL | Lighting - Identification lamp(s) missing | Vehicle Maintenance | — |
| Oct 9, 2025 | 39311A1LLPL | Lighting - License plate lamp missing | Vehicle Maintenance | — |
| Oct 9, 2025 | 393128BCLWV | Light Weight Vehicles - Improper securement of automobiles light trucks and vans | Vehicle Maintenance | Yes |
| Oct 9, 2025 | 39343DBMA | Brake - Breakaway not attached to the towing vehicle | Vehicle Maintenance | Yes |
| Oct 9, 2025 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Oct 9, 2025 | 3939ALRLI | Lighting - Tail lamp - Any inoperative | Vehicle Maintenance | — |