Grindstone Utility Construction Llc is an active interstate carrier based in Jamesport, MO.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 10 | 0 | 0 |
| Tractors | 2 | 0 | 0 |
| Trailers | 2 | 0 | 0 |
| Total Power Units | 12 | ||
Distinct vehicles · 24 mo
vs 12 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 | 72% | 89% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 81% | 90% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 5 | — | 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 | 10 | 4 | 4 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Nov 7, 2025 | IA | STRAIGHT TRUCK | 1 | 0 |
| May 19, 2025 | IA | STRAIGHT TRUCK | 1 | 0 |
| Dec 13, 2024 | MO | TRUCK TRACTOR | 2 | 2 |
| Sep 12, 2024 | IA | STRAIGHT TRUCK | 7 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.88 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 3 | 8.80 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Unsafe Driving |
| 1 |
| 0 |
| 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Nov 7, 2025 | 39360D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Vehicle Maintenance | — |
| May 19, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Dec 13, 2024 | 39375GTAOW | Tires - All others weight carried exceeds tire load limit | Vehicle Maintenance | Yes |
| Dec 13, 2024 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | — |
| Sep 12, 2024 | 39325F | Stop lamp violations | Vehicle Maintenance | — |
| Sep 12, 2024 | 39343D | No or defective automatic trailer brake | Vehicle Maintenance | Yes |
| Sep 12, 2024 | 39395A | No/discharged/unsecured fire extinguisher | Vehicle Maintenance | — |
| Sep 12, 2024 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |
| Sep 12, 2024 | 3939T | Inoperable tail lamp | Vehicle Maintenance | Yes |
| Sep 12, 2024 | 3939TS | Inoperative turn signal | Vehicle Maintenance | Yes |