Denco Highway Construction Corporation is an active intrastate hazmat carrier based in Mingo, IA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 6 | 0 | 0 |
| Tractors | 5 | 0 | 0 |
| Trailers | 20 | 0 | 0 |
| Total Power Units | 13 | ||
Distinct vehicles · 24 mo
vs 13 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 79% | 88% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 95% | 98% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 0% | 0% | Better 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 | 0 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 1 state. Top state IA accounts for of activity.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Unsafe Driving | 3 | 3 | 0 |
| Driver Fitness | 2 | 1 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Oct 31, 2025 | IA | TRUCK TRACTOR | 0 | 0 |
| Jun 18, 2025 | IA | STRAIGHT TRUCK | 3 | 1 |
| Jun 18, 2025 | IA | STRAIGHT TRUCK | 1 | 0 |
| Sep 20, 2024 | IA | STRAIGHT TRUCK | 1 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 3 | 2.69 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 0 | 0.00 | — |
| Driver Fitness | 1 | 2.44 | — |
| Controlled Substances | 0 | 0.00 | — |
| Aug 16, 2024 |
| IA |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jun 18, 2025 | 38323A2 | Operating a CMV without a CDL | Driver Fitness | Yes |
| Jun 18, 2025 | 38371H | License (CDL) - CDL or CLP holder possesses a valid medical certificate but is not on file with the issuing state driver's licensing agency as required | Driver Fitness | — |
| Jun 18, 2025 | 39216 | Failing to use seat belt while operating a CMV | Unsafe Driving | — |
| Jun 18, 2025 | 39216 | Failing to use seat belt while operating a CMV | Unsafe Driving | — |
| Sep 20, 2024 | 39216 | Failing to use seat belt while operating a CMV | Unsafe Driving | — |