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Motor carrier · USDOT 256299

ROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP, Corona, CA: USDOT 256299 safety record, inspections, out-of-service, crashes

Fleet and drivers are as ROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP filed them on its MCS-150, last updated July 22, 2025. The carrier has been on the FMCSA register since March 8, 1985. Inspections and crashes are the reports in Velarion’s copy of FMCSA’s inspection and crash files, which hold the reports filed by some states, not every state; FMCSA’s free SAFER snapshot carries the carrier’s national 24-month inspection and out-of-service figures.

Identity

Legal name as filedROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP
USDOT number256299
Status on the censusActive
AddressCorona, CA 92882
CountyRiverside County
Operating authorityInterstate Carriers
Hazardous materialsCarries hazardous materials
Safety ratingSatisfactory
Power units1,239 (1,239 trucks)
Drivers1,239 (1,239 with a CDL)
On the register sinceMarch 8, 1985
MCS-150 last filedJuly 22, 2025
MCS-150 annual mileage30,836,278 miles (2024)
Cargo carriedLiquids/Gases; Dry Bulk; Other

Cited to the FMCSA Company Census File.

Roadside inspections

The newest 50 of 112.

DateFiled byLevelViolationsOut-of-serviceDriver OOSVehicle OOS
November 21, 2024CALevel I, full1000
November 21, 2024CALevel I, full1000
November 21, 2024CALevel I, full2110
November 21, 2024CALevel I, full1000
November 19, 2024CALevel III, driver only1000
November 16, 2024CALevel I, full1000
November 14, 2024CALevel II, walk-around1000
November 13, 2024CALevel I, full1000
November 13, 2024CALevel I, full0000
November 1, 2024CALevel I, full0000
November 1, 2024CALevel I, full1000
November 1, 2024CALevel I, full0000
October 30, 2024CALevel I, full0000
October 30, 2024CALevel I, full0000
October 29, 2024CALevel I, full2101
October 29, 2024CALevel I, full0000
October 21, 2024CALevel II, walk-around1000
October 18, 2024CALevel I, full1000
October 18, 2024CALevel I, full0000
October 18, 2024CALevel I, full2000
October 1, 2024CALevel I, full0000
September 27, 2024CALevel I, full0000
September 26, 2024CALevel II, walk-around1000
September 25, 2024CALevel II, walk-around5312
September 24, 2024CALevel II, walk-around4000
September 19, 2024CALevel I, full2000
September 17, 2024CALevel I, full3000
September 6, 2024CALevel II, walk-around1000
September 4, 2024CALevel II, walk-around1000
September 4, 2024CALevel II, walk-around0000
September 4, 2024CALevel II, walk-around0000
August 26, 2024CALevel I, full1101
August 17, 2024CALevel III, driver only0000
August 6, 2024CALevel II, walk-around2101
July 20, 2024CALevel I, full0000
July 20, 2024CALevel I, full0000
July 18, 2024CALevel II, walk-around3000
July 16, 2024CALevel III, driver only1000
July 16, 2024CALevel II, walk-around1000
July 16, 2024CALevel II, walk-around2000
June 27, 2024CALevel I, full2000
June 27, 2024CALevel I, full3000
June 19, 2024CALevel I, full1000
June 11, 2024CALevel I, full1000
June 11, 2024CALevel I, full2202
June 5, 2024CALevel II, walk-around0000
June 3, 2024CALevel I, full0000
May 24, 2024CALevel I, full0000
May 16, 2024CALevel I, full0000
May 9, 2024CALevel I, full0000

Cited to the FMCSA Vehicle Inspection File; up to 50 rows shown, newest first.

Crashes

The newest 50 of 431.

DateFiled byCityFatalitiesInjuriesTowed awayHazmat released
June 29, 2026CARedlands00Yes
May 13, 2026CALos Angeles00Yes
April 16, 2026CACarson00Yes
March 27, 2026CAUnincorporated01Yes
March 12, 2026CANational City00Yes
March 3, 2026CALos Angeles01YesYes
September 8, 2025CAUnincorporated01Yes
August 11, 2025CAOntario00Yes
July 24, 2025CASanta Ana01Yes
June 6, 2025CASan Diego00Yes
May 28, 2025CABaldwin Park00Yes
April 29, 2025CARiverside00Yes
April 24, 2025CAApple Valley00YesNo
November 21, 2024CAFontana01Yes
September 25, 2024CAJurupa Valley01NoNo
September 21, 2024CAUnincorporated00YesNo
August 30, 2024CAUnincorporated01Yes
August 27, 2024CAMoreno Valley01Yes
August 14, 2024CACerritos01Yes
July 10, 2024CARialto01YesNo
July 8, 2024CAApple Valley00Yes
June 24, 2024CAUnincorporated00Yes
May 31, 2024CARiverside00Yes
May 15, 2024CAUnincorporated00Yes
January 30, 2024CAUnincorporated01YesNo
January 26, 2024CALos Angeles00YesNo
October 31, 2023CAUnincorporated01YesNo
October 26, 2023CAPerris01YesNo
October 10, 2023CAMoreno Valley00Yes
September 26, 2023CARiverside01Yes
September 25, 2023CAHesperia00Yes
September 14, 2023CASan Bernardino00Yes
September 7, 2023CAUnincorporated00YesNo
September 6, 2023CAUnincorporated02YesNo
August 28, 2023CAUnincorporated00YesNo
August 7, 2023CAMenifee00YesNo
July 26, 2023CAHighland00Yes
July 6, 2023CAUnincorporated00YesNo
June 27, 2023CAFontana00Yes
June 24, 2023CACity Of Industry01Yes
May 16, 2023CAIrvine00Yes
May 13, 2023CAWestminster00YesNo
April 24, 2023CARialto00YesNo
April 20, 2023CAFontana01YesNo
April 14, 2023CAIrwindale00Yes
April 12, 2023CAAnaheim00YesNo
February 1, 2023CARiverside00YesNo
December 12, 2022CACerritos00YesNo
November 18, 2022CAUnincorporated00Yes
November 1, 2022CADiamond Bar01YesNo

Cited to the FMCSA Crash File; up to 50 rows shown, newest first.

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Nearby on the register

Figures from the FMCSA Company Census File, loaded October 15, 2026, and FMCSA’s inspection and crash files.

How this page was built: FMCSA Company Census File, read October 15, 2026.

What this page shows

This public-records page covers the USDOT 256299 safety record for ROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP of Corona, CA, showing 1,239 power units, 112 drivers, 11 roadside inspections on file, 431 crashes on file, and 3 with an out-of-service order. The fleet and driver figures are as the carrier filed them on its MCS-150, last updated July 22, 2025, and the carrier has been on the register since March 8, 1985.