United Hdd Llc is an active interstate carrier based in Arnold, MO.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 1 | 0 | 0 |
| Trailers | 1 | 0 | 0 |
| Total Power Units | 1 | ||
Distinct vehicles · 24 mo
vs 1 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% | 98% | Worse than most peers |
| HOS Compliance | 99% | 99% | Worse than most peers |
| Driver Fitness | 99% | 98% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 98% | 98% | 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 | 10 | — | 6.67% |
| Vehicle | 0 | 14 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 2 states. Top state IA accounts for 75% of activity.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 30 | 8 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Oct 15, 2025 | TN | STRAIGHT TRUCK | 2 | 2 |
| Sep 7, 2025 | IA | STRAIGHT TRUCK | 14 | 6 |
| Sep 7, 2025 | IA | STRAIGHT TRUCK | 17 | 12 |
| Sep 7, 2025 | IA | STRAIGHT TRUCK |
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 1
Shared phone · 1
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 3 | 8.62 | — |
| HOS Compliance | 4 | 7.00 | — |
| Vehicle Maintenance | 4 | 24.00 | — |
| Driver Fitness | 3 | 6.25 | — |
| Controlled Substances | 0 | 0.00 | Alert |
| 11 |
| Driver Fitness | 5 | 1 | 5 |
| Hours-of-Service Compliance | 4 | 0 | 4 |
| Unsafe Driving | 4 | 1 | 0 |
| 4 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Oct 15, 2025 | 39343DBMA | Brake - Breakaway not attached to the towing vehicle | Vehicle Maintenance | Yes |
| Oct 15, 2025 | 3958A1HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Hours-of-Service Compliance | Yes |
| Sep 7, 2025 | 39111B2Q | Driver cannot satisfy the English language proficiency requirements of 391.11(b)(2) as per FMCSA Enforcement Guidance Memo MC-SEE-2025-0001. Driver failed the I | Driver Fitness | Yes |
| Sep 7, 2025 | 39141A | Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency. History of either fail | Driver Fitness | Yes |
| Sep 7, 2025 | 3922C | Failure to obey traffic control device | Unsafe Driving | — |
| Sep 7, 2025 | 3922Y | Failure to yield right of way | Unsafe Driving | — |
| Sep 7, 2025 | 393100BC | Cargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Vehicle Maintenance | Yes |
| Sep 7, 2025 | 39311 | No or defective lighting devices or reflective material as required | Vehicle Maintenance | — |
| Sep 7, 2025 | 39341 | No or defective parking brake system on CMV | Vehicle Maintenance | Yes |
| Sep 7, 2025 | 39378 | Wipers - Inoperative / missing / damaged wipers | Vehicle Maintenance | — |