Superior Ready Mix Concrete L.P. operator
Controlled by
J Brouwer Investments Inc
MSHA operator ID: L10579
- Fatalities
- 0
- Total incidents
- 162
- Mines on record
- 10
- Years on record
- 1988–2025
Compliance record
MSHA citations since 2000
1,033
citations
297
significant & substantial
$391,813
proposed penalties
$374,792
paid to date
96% of proposed penalties paid to date, a $17,021 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
338
inspections on record
5,839
inspection hours
17.7
citations per 100 inspection hours
ⓘ
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.1,033 citations across 5,839 inspection hours.
Source: MSHA inspections data, updated weekly.
Penalty disposition
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.$392K
proposed penalties
$376K
current assessed
$375K
paid to date
$1K
outstanding
1,021 assessments are final orders; 8 contested dockets.
As of the most recent assessment on 2026-05-20.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- HANDLING OF MATERIALS 38 non-fatal
- SLIP OR FALL OF PERSON 30 non-fatal
- MACHINERY 29 non-fatal
- HANDTOOLS (NONPOWERED) 27 non-fatal
- POWERED HAULAGE 12 non-fatal
- DISORDERS (REPEATED TRAUMA) 4 non-fatal
Incident timeline
2025
1
2024
2
2023
2
2022
2
2021
1
2020
3
2019
2
2016
1
2014
3
2013
2
2011
2
2010
3
2008
3
2006
1
2005
1
2004
3
2003
3
2002
4
2001
4
2000
3
1999
13
1998
18
1997
9
1996
12
1995
10
1994
11
1993
9
1992
6
1991
13
1990
5
1989
1
1988
1
Mines on record
- Superior - Twin Oaks CA
- JAMACHA QUARRY CA
- MISSION GORGE PLANT CA
- DILLON ROAD PIT CA
- Frink Pit CA
- Mine #1 CA
- Oat Pit CA
- VISTA SAND WASHING PLANT CA
- La Posta Sand Plant CA
Watch this operator
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For insurers, brokers, and safety consultants
The full compliance file on Superior Ready Mix Concrete L.P.
A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.