RI
ROCK-N-DIRT INC
CarrierIntel Score: 65/100. 9 inspection violations in the past 12 months. Updated Oct 2026.
DOT 1284432ActiveNew Entrant: revoked — refused audit · 2005-01-03 (rescinded 2005-07-10)InterstateMAMMOTH LAKES, CA
COMPANY
Authority since
—
MCS-150
2025-02-06 · 20,000 mi (2024)
Fleet
7 units · 1 trailers · 3 drivers
Annual mileage (VMT)
20,000 mi (2024)
ADDRESS
Physical
364 SOUTH INDUSTRIAL CIRCLE
MAMMOTH LAKES, CA 93546
MAMMOTH LAKES, CA 93546
Mailing
POB 8605
MAMMOTH LAKES, CA 93546
MAMMOTH LAKES, CA 93546
CONTACT
Phone
7609343091
Email
rockndirtinc@yahoo.com
OFFICERS
Primary Officer
JEAN A. TWILEGAR
Title
SECRETARYTREASURER
OPERATION & CARGO
Operation classification
Private Property
Specialty
Construction & Building Materials
Cargo types
4
Building MaterialsCommodities Dry BulkConstructionOther: SAND GRAVEL DIRT AND EQUIPMENT
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
265 mo
Since USDOT registration
INSURANCE
Insurance not verified
Federal insurance records may not cover this carrier's operation type. Verify coverage through state records or the insurer.
RISK GRADE
Minimal Risk
0 risk factors · 1 strengths
OOS RATE
40.0%
2 / 5 inspections
CarrierIntel Safety Score
Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.
65
out of 100
Fair
Markers: OOS inspection Crash Fatality
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Minimal Risk
0 risk factors · 1 strengths · 2 data pointsSAFETY PERFORMANCE
Crash Record
0 crashes · 0 fatal · 0 with injuries · 0 tow-away
Clean Inspection Rate
60% — 3 clean of 5 inspections
Out-of-Service Rate
40.0% — driver OOS 1 insp., vehicle OOS 2 insp.
COMPLIANCE & AUTHORITY
USDOT Registration
Status: Active
Operating Authority
No operating authority on file
Out-of-service orders
New Entrant: revoked — refused audit · 2005-01-03 (rescinded 2005-07-10)
Authority Events
No authority history events
MCS-150 Filing
Last filed 2025-02-06
INSURANCE
Active Coverage
Insurance not verified — Federal insurance records may not cover this carrier's operation type. Verify coverage through state records or the insurer.
SUMMARY
No crashes in the last 24 months
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