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Rimrock Dirtworks LLC (USDOT 3802148)

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Docket (MC) number
MC1368949
Operating authority
Common carrier authority: active. The federal bulk file showed this carrier active as of 2026-08-16. We could not confirm that live just now.
Authority granted
2022-03-24
Insurance on file
Liability (BIPD) insurance on file for $750,000.
Safety rating
No published safety rating
Fleet on file
4 power units, 5 drivers
Operation type
Intrastate Hazmat
Physical address
5975 SUNFLOWER DR, BILLINGS, MT 59101
MCS-150 last filed
2026-02

Frequently asked questions

What carrier is USDOT 3802148?

USDOT 3802148 is Rimrock Dirtworks LLC, an intrastate hazmat motor carrier.

What carrier is MC 1368949?

MC 1368949 is the docket number of Rimrock Dirtworks LLC, USDOT 3802148.

What is Rimrock Dirtworks LLC's MC number?

Rimrock Dirtworks LLC's docket number is MC 1368949. Its USDOT number is 3802148.

Is Rimrock Dirtworks LLC currently authorized to operate?

Common carrier authority: active. The federal bulk file showed this carrier active as of 2026-08-16. We could not confirm that live just now. Source: FMCSA registration and licensing records.

Does Rimrock Dirtworks LLC have insurance on file with FMCSA?

Liability (BIPD) insurance on file for $750,000.

Who provides Rimrock Dirtworks LLC's insurance?

Rimrock Dirtworks LLC's liability insurance is filed with FMCSA by Western National Assurance Company.

What is Rimrock Dirtworks LLC's safety record?

In the last 24 months, FMCSA records show 0 of 2 vehicle inspections ending out-of-service for Rimrock Dirtworks LLC, too few inspections for a stable rate. FMCSA records also show 0 reportable crashes in the same window.

What is Rimrock Dirtworks LLC's CSA score?

FMCSA does not publish a single CSA score for carriers. Rimrock Dirtworks LLC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.

What is Rimrock Dirtworks LLC's FMCSA safety rating?

Rimrock Dirtworks LLC has no published FMCSA safety rating. Most US carriers have never received a rating review, so an unrated carrier is the common case, not a warning sign by itself.

Changes over time

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