Key Takeaway
CUSHENBURY PLANT is a active facility mine producing Stone, located in Lucerne, San Bernardino County, CA. It has 1,064 violations on record (210 S&S) and $511K in proposed penalties. Operated by MITSUBISHI CEMENT CORP.
CUSHENBURY PLANT
Operator: MITSUBISHI CEMENT CORP
Controller: Mitsubishi Corp
Location: Lucerne, San Bernardino County, CA
Employees: 160
Recent Violations
View all 1,064 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 12/22/2025 | 56.4201(a)(5) | Non-S&S | ModNegligence | $245 |
| 12/18/2025 | 56.14107(a) | Non-S&S | ModNegligence | $313 |
| 12/18/2025 | 56.14112(b) | Non-S&S | ModNegligence | $959 |
| 12/18/2025 | 56.12032 | S&S | ModNegligence | $3,448 |
| 12/18/2025 | 56.20003(a) | S&S | LowNegligence | $1,818 |
| 12/18/2025 | 56.4201(a)(2) | Non-S&S | LowNegligence | $151 |
| 12/18/2025 | 56.14207 | Non-S&S | ModNegligence | $697 |
| 12/18/2025 | 56.20003(a) | Non-S&S | ModNegligence | $818 |
| 12/18/2025 | 56.20003(a) | Non-S&S | ModNegligence | $818 |
| 12/18/2025 | 56.20003(a) | S&S | LowNegligence | $1,818 |
| 12/18/2025 | 56.20003(a) | S&S | LowNegligence | $1,818 |
| 12/18/2025 | 56.18002(b) | Non-S&S | HighNegligence | $193 |
| 12/18/2025 | 56.12004 | Non-S&S | LowNegligence | $151 |
| 12/17/2025 | 56.14101(a)(2) | Non-S&S | LowNegligence | $151 |
| 12/17/2025 | 56.4201(a)(2) | Non-S&S | ModNegligence | $504 |
| 12/17/2025 | 56.14112(b) | Non-S&S | LowNegligence | $755 |
| 12/17/2025 | 56.20003(a) | S&S | LowNegligence | $2,936 |
| 12/17/2025 | 56.20003(a) | S&S | LowNegligence | $2,936 |
| 12/17/2025 | 56.14107(a) | Non-S&S | ModNegligence | $504 |
| 12/17/2025 | 56.4201(a)(2) | S&S | ModNegligence | $2,503 |
Accidents & Injuries
View all 211 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 10/02/2025 | HANDLING OF MATERIALS | PERM TOT OR PERM PRTL DISABLTY | None |
| 10/02/2025 | HANDLING OF MATERIALS | PERM TOT OR PERM PRTL DISABLTY | None |
| 09/23/2025 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 4d restricted |
| 06/17/2025 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 1d restricted |
| 03/11/2025 | MACHINERY | DAYS RESTRICTED ACTIVITY ONLY | 25d restricted |
| 02/24/2025 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 01/23/2025 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 14d restricted |
| 06/10/2024 | EXPLODING VESSELS UNDER PRESSURE | DAYS AWAY FROM WORK ONLY | 260d lost |
| 01/18/2024 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 44d restricted |
| 11/05/2023 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 106 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 12/15/2025 | 12/22/2025 | 95.75 | 3 |
| 07/07/2025 | 07/16/2025 | 177.00 | 3 |
| 03/18/2025 | 03/18/2025 | 9.50 | 1 |
| 01/27/2025 | 01/29/2025 | 27.00 | 1 |
| 01/06/2025 | 01/14/2025 | 122.25 | 3 |
| 08/27/2024 | 08/27/2024 | 11.00 | 1 |
| 08/05/2024 | 08/09/2024 | 129.00 | 3 |
| 05/22/2024 | 05/23/2024 | 2.25 | 1 |
| 01/22/2024 | 01/26/2024 | 149.00 | 5 |
| 07/10/2023 | 07/24/2023 | 123.75 | 2 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does CUSHENBURY PLANT have?
CUSHENBURY PLANT has 1064 MSHA violations on record, of which 210 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $511K.
What type of mine is CUSHENBURY PLANT?
CUSHENBURY PLANT is a Facility mine producing Stone, located in Lucerne, San Bernardino County, CA. It currently has 160 employees.
Has anyone been injured or killed at CUSHENBURY PLANT?
According to MSHA records, CUSHENBURY PLANT has 211 reported accident/injury records and 1 fatalities on file.
Who operates CUSHENBURY PLANT?
CUSHENBURY PLANT is operated by MITSUBISHI CEMENT CORP and controlled by Mitsubishi Corp. MSHA Mine ID: 0400157.