Drs Rock Materials Llc (DOT# 1183476) – FMCSA Carrier Profile
DOT# 1183476● Active
Updated monthly · 2026-03-09
This carrier is active with a Satisfactory safety rating and no crashes reported.
Drs Rock Materials Llc is a registered motor carrier with the FMCSA under USDOT number 1183476. The company operates from Horizon City, TX and maintains an active operating status with 4 power units and 4 drivers on record.
Safety Rating
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Company Information
Address15089 Horizon Blvd, Horizon City, TX, 79928
Phone(915) 852-7879
Entity TypePrivate Property
OperationInterstate
Power Units4(Small carrier)
Drivers4
MCS-150 FiledNovember 14, 2025
Annual Mileage236,777 mi (2024)
Inspection Summary
All-time Inspections
All-time14
Total
2
OOS
0
Driver OOS
2
Vehicle OOS
14 inspections — relatively low volume, which may indicate a smaller or newer carrier.
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. 14.3% — approaching the national vehicle OOS average of ~21%.
Crash History
✅No crashes reported (FMCSA data)
BASICS Safety Scores
BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories5.5
Unsafe Driving
Measures violations related to speeding, reckless driving, and improper lane changes.
0.0
HOS Compliance
Tracks hours-of-service violations, including driving beyond legal limits without rest.
0.0
Driver Fitness
Reflects issues with driver qualifications, licenses, and medical certifications.
0.0
Controlled Substances
Captures drug and alcohol violations, including failed or refused tests.
10.9
Vehicle Maintenance
Reflects brake, tire, lighting, and other equipment-related inspection violations.
Scores above 65 (general freight) or 50 (passenger/hazmat) trigger an FMCSA Alert. Higher scores indicate more safety risk. National median is approximately 20–30 for active carriers.
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Frequently Asked Questions
What is USDOT Number 1183476?
USDOT number 1183476 is assigned to Drs Rock Materials Llc, an active motor carrier registered with the FMCSA, based in Horizon City, TX.
What is the safety rating of Drs Rock Materials Llc?
Drs Rock Materials Llc has a safety rating of Satisfactory as of June 27, 2006.
How many inspections has Drs Rock Materials Llc had?
Drs Rock Materials Llc has recorded 14 total inspections with 2 out-of-service orders, representing an OOS rate of 14.29%.
Where is Drs Rock Materials Llc located?
Drs Rock Materials Llc is headquartered at 15089 Horizon Blvd, Horizon City, TX 79928.
What does "Not Rated" mean?
"Not Rated" means the FMCSA has not conducted a formal compliance review for this carrier. It does not indicate a safety problem — many active carriers operate without a formal rating.
Is zero crashes always a good sign?
Generally yes, but context matters. A carrier with zero crashes and very few inspections may simply have limited road exposure. Always review crash data alongside inspection volume and fleet size.
What is a normal OOS rate?
The national average vehicle out-of-service rate is approximately 21%. Driver OOS averages around 5%. Rates significantly above these thresholds may indicate recurring compliance issues.
How often is FMCSA data updated?
FMCSA publishes updated carrier data monthly. This page reflects the most recent available snapshot, updated on the date shown above.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 1183476 · Last updated: 2026-03-09. View official FMCSA record →