Customer truck driver pulled into tarping area behind another truck and failed to set parking brake before exiting the truck. The driver did not use wheel chocks as required. The customer truck driver was fatally injured when customer's truck moved forward and pinned customer truck driver against the other drivers truck.
Liberty Ranch Metal/Non-Metal
Martin Marietta Materials Southwest, LLC
· Surface
Controlled by
Martin Marietta Materials Inc
Hardin,
Liberty County,
TX
·
Active
MSHA Mine ID: 4105268
Liberty Ranch has $18K in proposed MSHA penalties and $817 outstanding across 5 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 1
- Total incidents
- 1
- Years on record
- 2021
- Latest incident
- Dec 2021
Compliance record
MSHA citations since 2018
19
citations
3
significant & substantial
$18,310
proposed penalties
$6,600
paid to date
36% of proposed penalties paid to date, a $11,710 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2017
21
inspections on record
439
inspection hours
n/a
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.Rate withheld: 439 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Liberty Ranch has $18K in proposed MSHA penalties and $817 outstanding across 5 contested dockets.
Penalty disposition
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.$18K
proposed penalties
$7K
current assessed
$7K
paid to date
$817
outstanding
17 assessments are final orders; 5 contested dockets.
As of the most recent assessment on 2026-04-29.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also
the operator's enforcement record
Quarterly safety rates
ⓘ
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.Citations per million employee-hours, as reported to MSHA
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2025 Q4 | 1,610 | 0 | 0 | 0.0 |
| 2025 Q3 | 1,324 | 0 | 0 | 0.0 |
| 2025 Q2 | 1,162 | 0 | 0 | 0.0 |
| 2025 Q1 | 1,355 | 0 | 0 | 0.0 |
| 2024 Q4 | 2,954 | 0 | 0 | 0.0 |
| 2024 Q3 | 5,372 | 0 | 0 | 0.0 |
| 2024 Q2 | 6,182 | 0 | 0 | 0.0 |
| 2024 Q1 | 6,158 | 0 | 0 | 0.0 |
Show 27 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 6,259 | 0 | 0 | 0.0 |
| 2023 Q3 | 6,317 | 1 | 0 | 158.3 |
| 2023 Q2 | 6,488 | 0 | 0 | 0.0 |
| 2023 Q1 | 7,687 | 2 | 2 | 260.2 |
| 2022 Q4 | 8,596 | 1 | 0 | 116.3 |
| 2022 Q3 | 9,600 | 1 | 0 | 104.2 |
| 2022 Q2 | 9,099 | 0 | 0 | 0.0 |
| 2022 Q1 | 8,442 | 0 | 0 | 0.0 |
| 2021 Q4 | 9,762 | 3 | 0 | 307.3 |
| 2021 Q3 | 8,567 | 3 | 1 | 350.2 |
| 2021 Q2 | 10,169 | 0 | 0 | 0.0 |
| 2021 Q1 | 9,632 | 1 | 0 | 103.8 |
| 2020 Q4 | 5,408 | 0 | 0 | 0.0 |
| 2020 Q3 | 8,911 | 0 | 0 | 0.0 |
| 2020 Q2 | 8,401 | 0 | 0 | 0.0 |
| 2020 Q1 | 9,415 | 1 | 0 | 106.2 |
| 2019 Q4 | 9,175 | 0 | 0 | 0.0 |
| 2019 Q3 | 11,228 | 1 | 0 | 89.1 |
| 2019 Q2 | 12,039 | 0 | 0 | 0.0 |
| 2019 Q1 | 11,362 | 1 | 0 | 88.0 |
| 2018 Q4 | 10,758 | 0 | 0 | 0.0 |
| 2018 Q3 | 9,050 | 1 | 0 | 110.5 |
| 2018 Q2 | 10,689 | 0 | 0 | 0.0 |
| 2018 Q1 | 7,652 | 2 | 0 | 261.4 |
| 2017 Q4 | 7,291 | 0 | 0 | 0.0 |
| 2017 Q3 | 8,297 | 0 | 0 | 0.0 |
| 2017 Q2 | 155 | 0 | 0 | 0.0 |
Fatalities at this mine
1 recorded
December 13, 2021
TX · Metal/Non-Metal
haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver
Fatality · POWERED HAULAGE
Martin Marietta Materials Southwest, LLC · Caught in, under or between a moving and a stationary object
For insurers, brokers, and safety consultants
The full compliance file on Liberty Ranch
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.