Is Glasscock Ready Mix Concrete Llc Safe? DOT 3666155 – Safety Rating, Crashes & Violations

This carrier is active with no crashes on record.

Glasscock Ready Mix Concrete Llc is a registered motor carrier with the FMCSA under USDOT number 3666155. The company operates from Sumter, SC and maintains an active operating status with 9 power units and 8 drivers on record.

Safety Rating

FMCSA Safety Rating

— Not Rated

No formal safety rating has been assigned to Glasscock Ready Mix Concrete Llc by the FMCSA. View official FMCSA record →

Inspection Summary

All-time Inspections

All-time

Total

OOS

Driver OOS

Vehicle OOS

10 inspections — relatively low volume, which may indicate a smaller or newer carrier.

OOS Rate0.00%

The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. This carrier has a 0% OOS rate — significantly better than the national average of ~21% for vehicles.

Crash History

✅No crashes reported (FMCSA data)

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Carrier Insight

Glasscock Ready Mix Concrete Llc is a small motor carrier operating in South Carolina. With 10 total inspections on record, the carrier has an out-of-service rate of 0.0%, which is below the national average of approximately 21%. No crashes have been reported in FMCSA records, which is a positive indicator for shippers and brokers evaluating this carrier.

Glasscock Ready Mix Concrete Llc has not received a formal safety rating from the FMCSA. This is common for smaller or newer carriers and does not necessarily indicate a safety problem.

The company operates 9 power units and employs 8 drivers. This is a small carrier operation.

Frequently Asked Questions

What is USDOT Number 3666155?

USDOT number 3666155 is assigned to Glasscock Ready Mix Concrete Llc, an active motor carrier registered with the FMCSA, based in Sumter, SC.

How many inspections has Glasscock Ready Mix Concrete Llc had?

Glasscock Ready Mix Concrete Llc has recorded 10 total inspections with 0 out-of-service orders, representing an OOS rate of 0.00%.

Where is Glasscock Ready Mix Concrete Llc located?

Glasscock Ready Mix Concrete Llc is headquartered at 5378 Broad Street, Sumter, SC 29154.

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# 3666155 · Last updated: 2026-03-09. View official FMCSA record →

Glasscock Ready Mix Concrete Llc (DOT# 3666155) – FMCSA Carrier Profile