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ROCK STONE AND SAND YARD INC
Lorton, VA
CarrierChk vetting signal
Review recommended
Elevated Out-of-Service Rate
42.9% of this carrier's roadside inspections in the last 24 months put a driver or vehicle out of service — higher than 78% of carriers with a comparable number of inspections. This is a CarrierChk calculation from FMCSA inspection records, not an FMCSA rating.
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FMCSA status: Active registration · no operating authority · DOT 256782
Active
Conditional
Broker Vetting Summary
Key signals from current FMCSA records
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Conditional
42.9% OOS · 9 inspections on record
Flags · 1
Elevated Out-of-Service Rate
42.9% of this carrier's roadside inspections in the last 24 months put a driver or vehicle out of service — higher than 78% of carriers with a comparable number of inspections. This is a CarrierChk calculation from FMCSA inspection records, not an FMCSA rating.
Vetting notes
- Active FMCSA registration, but no active for-hire operating authority on record
- Registered with FMCSA as a private carrier — not registered to haul other companies' freight for hire
- No active insurance filing found on record
- FMCSA safety rating: Conditional
- Vehicle out-of-service rate 75.0% — above the 20.7% national average
- Driver out-of-service rate 0.0% — below the 5.5% national average
- 9 FMCSA inspections on record
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
256782
Safety Rating
Conditional
Entity Type
Corporation
Operation Classification
Private (property)
MCS-150 Filed
May 22, 2025
FMCSA Registration
March 26, 1985
Annual Mileage
99 mi (2024)
Contact Information
Address
10133 Giles Run Road, Lorton, VA 22079
Phone
Email
Owner / Officer
Teresa Osborn
Officer 2
James Patrick Murphy
Cargo Types
Building MaterialsConstruction MaterialsOther Cargo
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
9
Driver Inspections
5
Vehicle Inspections
5
Out-of-Service Violations
4
Violations by Category
Vehicle Maintenance6
Unsafe Driving1
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate75.0% · national avg 20.7%
⚠ Above national average (54.3pp higher)
42.9% of 7 inspections in the last 24 months put a driver or vehicle out of service —
78th percentile among carriers with 5–9 inspections (lower is better).
CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Inspection Trend by Year
2025
2024
Violation Rate by Category
Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
3 of 4 inspections
Unsafe Driving
1 of 7 inspections
Hours of Service
0 of 7 inspections
Driver Fitness
0 of 7 inspections
Controlled Substances
0 of 7 inspections
Crash History (1)
Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
1
Crashes
0
Fatalities
1
Injuries
1
Tow-aways
| Date | State | Fatal | Injured | Tow | Conditions |
|---|---|---|---|---|---|
| September 10, 2025 | VA | — | 1 | Yes | Rain · Dark - Lighted · Wet |
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
MD6
VA3
Fleet & Equipment (5)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~5
of 8 reported to FMCSA
Trailers
—
seen at inspection
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2004 Kenworth W900 | Truck · Class 8 | 1NKWXBTX04J062426 | 3 | — |
| 2007 Western Star 4900 | Truck · Class 8 | 5KKHAECK57PX71984 | 3 | 2 |
| 2007 Kenworth T8 Series | Truck · Class 8 | 1NKDLB0X27R185528 | 1 | 1 |
| 2003 Kenworth T800 | Truck · Class 8 | 1NKDX4EX93J393049 | 1 | — |
| 2028 Kenworth T8 Series | Truck · Class 8 | 1NKDXR0X3WJ769737 | 1 | 1 |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
Inspection Details
Each roadside inspection with its violations
Inspection Records (9)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| October 29, 2025 | 2141C00470 | BALTIMORE MD | II | 1 | 1 | — | Straight Truck |
WESTERN STAR |
5KKHAECK57PX71984 |
VA RSSY27 |
| 393.100B-C | OOSCargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Improper Load Securement | ||||||||
| August 22, 2025 | 3247C00243 | PERRYVILLE MD | II | — | — | — | Straight Truck |
KENWORTH |
1NKWXBTX04J062426 |
VA RSSY25 |
| April 30, 2025 | 0530C00064 | PERRYVILLE MD | II | 1 | 1 | SAME AS CARRIER | Straight Truck |
WESTERN STAR |
5KKHAECK57PX71984 |
VA RSSV27 |
| 393.45B2-BHTD | OOSAir Brake - Hose/tubing damage into the outer reinforcement ply. | Brakes All Others | ||||||||
| April 28, 2025 | 2327C00057 | COLLEGE PARK MD | I | 4 | 1 | YORK BUILDING PRODUCTS | Truck Tractor |
KENWORTH |
1NKDXR0X3WJ769737 |
VA RSSY20 |
| 393.75A3-TAOL | OOSTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Tires | ||||||||
| 393.9A-LCL | Lighting - Clearance lamp(s) inoperative | Clearance Identification Lamps/Other | ||||||||
| 393.9A-LRLI | Lighting - Tail lamp - Any inoperative | Lighting | ||||||||
| 392.2-SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other | Dangerous Driving | ||||||||
| February 24, 2025 | 4371000546 | DUMFRIES VA | III | — | — | CHANEY ENTERPRISES | Straight Truck |
KENWORTH |
1NKWXBTX04J062426 |
VA RSSY25 |
| January 14, 2025 | 5284000388 | DUMFRIES VA | III | — | — | CHANEY ENTERPRISES | Straight Truck |
WESTERN STAR |
5KKHAECK57PX71984 |
VA P164167 |
| October 24, 2024 | 8754000509 | MONTCLAIR VA | III | — | — | NO BOL PROVIDED | Straight Truck |
KENWORTH |
1NKWXBTX04J062426 |
VA RSSY25 |
| September 5, 2024 | 0310003674 | I-270 S/B HYATTSTOWN SCALEHOUS, MD | II | 1 | 1 | NICOLOCK | Truck Tractor |
KENWORTH |
1NKDLB0X27R185528 |
VA RSSY28 |
| 393.110B | OOSInsufficient tiedowns to prevent forward movement for load not blocked by headerboard, bulkhead, or other cargo | Tiedown | ||||||||
| August 2, 2024 | 2438000018 | I-270 S/B HYATTSTOWN SCALEHOUS, MD | III | 1 | — | NICOLOCK PAVING STONES LLC. | Straight Truck |
KENWORTH |
1NKDX4EX93J393049 |
VA RSSY23 |
| 392.2-SLLEWG3 | State/Local Laws - Excessive weight - More than 5000 lbs over on allowable gross weight | |||||||||
Shippers Seen at Inspections
Shipper names recorded by roadside inspectors over roughly the last three years. Only inspected loads appear, so this is a sample of who the carrier hauls for, not a complete customer list. Names are as entered at the roadside; blanks and placeholders such as “N/A” or “same as carrier” are left out.
| Shipper | Inspections | Most recent |
|---|---|---|
| CHANEY ENTERPRISES | 2 | February 24, 2025 |
| YORK BUILDING PRODUCTS | 1 | April 28, 2025 |
| NO BOL PROVIDED | 1 | October 24, 2024 |
| NICOLOCK | 1 | September 5, 2024 |
| NICOLOCK PAVING STONES LLC. | 1 | August 2, 2024 |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: October 18, 2026.
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