Knapp And Sons Trucking Llc is an active intrastate non-hazmat carrier based in Ridgeville, SC.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 1 | 0 | 0 |
| Tractors | 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 | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 100% | 100% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 97% | 96% | 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 | 2 | — | 6.67% |
| Vehicle | 0 | 14 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 47 | 22 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 13, 2026 | SC | TRUCK TRACTOR | 7 | 6 |
| Oct 20, 2025 | SC | TRUCK TRACTOR | 6 | 2 |
| Sep 30, 2025 | SC | TRUCK TRACTOR | 2 | 1 |
| Jul 7, 2025 | SC | TRUCK TRACTOR |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 32.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 6 | 25.38 | — |
| Driver Fitness | 2 | 1.77 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state SC accounts for 90% of activity. Activity outside home state (SC): 10%.
| 13 |
| Driver Fitness | 4 | 1 | 2 |
| Unsafe Driving | 4 | 1 | 0 |
| 5 |
| May 14, 2025 | GA | TRUCK TRACTOR | 1 | 0 |
| Feb 25, 2025 | SC | TRUCK TRACTOR | 13 | 2 |
| Jan 20, 2025 | SC | TRUCK TRACTOR | 3 | 0 |
| Nov 14, 2024 | SC | TRUCK TRACTOR | 0 | 0 |
| May 6, 2024 | SC | TRUCK TRACTOR | 0 | 0 |
| Apr 19, 2024 | SC | TRUCK TRACTOR | 10 | 2 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 13, 2026 | 393207ASTBW | Suspension - Suspension connecting rod or tracking component assembly missing the rubber bushing or the rubber bushing is worn to the extent that the component ca | Vehicle Maintenance | Yes |
| Jan 13, 2026 | 39351CBLPW | Air Brake - Low pressure warning device missing/inoperative | Vehicle Maintenance | Yes |
| Jan 13, 2026 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Jan 13, 2026 | 39375CTAOTDLT132 | Tires - Less than 1/32 inch tread depth at 3 locations/2 adjacent tread grooves | Vehicle Maintenance | Yes |
| Jan 13, 2026 | 39375CTAOTDLT232 | Tires - Less than 2/32 inch tread depth | Vehicle Maintenance | — |
| Jan 13, 2026 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |
| Jan 13, 2026 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Oct 20, 2025 | 3965BL | Lubrication - Oil or grease leak | Vehicle Maintenance | — |
| Oct 20, 2025 | 393100BC | Cargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Vehicle Maintenance | Yes |
| Oct 20, 2025 | 39395A4EENA | Emergency Equipment - Fire Extinguishers - not readily accessible | Vehicle Maintenance | — |