Trucking Lens

Ernest C Anderson Gravel & Ready Mix Inc

USDOT 385064MC-1505337USDOT activeAuthority active· DBA Rock Ridge Resources· Detroit Lakes, MN

Ernest C Anderson Gravel & Ready Mix Inc (USDOT 385064) holds active operating authority as a motor carrier of property under MC-1505337 based in Detroit Lakes, MN. The earliest grant on file is from January 2023, 3 years, 9 months ago. $750,000 of liability coverage is on file with Emcasco Insurance Company. It reported 16 power units and 5 drivers on its last MCS-150 update (February 2026).

Operating authority

DocketAuthorityStatusInsurance requiredOn file
MC-1505337Motor carrier of propertyActive$750,000 liability$750,000 liability

Earliest grant on file: Jan 20, 2023 (3 years, 9 months ago).

Insurance and bonds on file

TypeInsurerCoverageEffectiveCancellation
Liability (BIPD) · form 91XEmcasco Insurance Company$750,000Jan 6, 2022—

Confirm coverage with the insurer before tendering a load.

Authority history

DateDocketAction
Jan 20, 2023MC-1505337Granted · motor carrier of property
Jan 20, 2023MC-1505337Granted · motor carrier of property

Registration

USDOT number385064
USDOT statusActive
DocketsMC-1505337
Legal nameErnest C Anderson Gravel & Ready Mix Inc
DBA nameRock Ridge Resources
OperationInterstate
ClassificationPrivate property, Authorized for hire
Business typeCorporation
LocationDetroit Lakes, Minnesota 56501
USDOT addedMar 12, 1990
Last MCS-150 updateFeb 6, 2026
Safety ratingSatisfactory · Nov 27, 1990

Fleet

Power units16
Trucks16
Drivers5 · 5 with a CDL
Annual miles217,343 · 2023

Check it yourself

Data as of Nov 12, 2026. Sources

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