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

Active Facility Stone

Operator: MITSUBISHI CEMENT CORP

Controller: Mitsubishi Corp

Location: Lucerne, San Bernardino County, CA

Employees: 160

1,064
Violations
210
S&S Violations
211
Accidents
$511K
Penalties

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

MSHA Mine ID0400157
Mine TypeFacility
StatusActive
CommodityStone
SIC DescriptionCement
Employees160
Days/Week7.0
Hours/Shift10.0
Coordinates34.3544440, -116.8558330
Nearest TownLucerne

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.