Mining Incidents

Martin Marietta Materials Inc controller

MSHA controller ID: M00174

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Email me when a new MSHA incident is filed at any mine Martin Marietta Materials Inc controls.

Fatalities
34
Total incidents
6136
Mines on record
446
Years on record
1983–2026
Compliance record
MSHA citations since 2000
19,622
citations
3,574
significant & substantial
$6,753,613
proposed penalties
$5,597,057
paid to date
83% of proposed penalties paid to date, a $1,156,556 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
15,318
inspections on record
303,819
inspection hours
6.5
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.
19,622 citations across 303,819 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.
$6.8M
proposed penalties
$5.6M
current assessed
$5.6M
paid to date
$51K
outstanding
19,158 assessments are final orders; 556 contested dockets.
As of the most recent assessment on 2026-05-28.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2026
20
2025
71 (1f)
2024
79 (3f)
2023
78 (1f)
2022
68
2021
74 (2f)
2020
76 (1f)
2019
89
2018
87
2017
74
2016
99 (1f)
2015
79
2014
59 (1f)
2013
47

Operators under this controller

Mines on record

Fatalities under this controller

34 recorded
March 5, 2025 NC · Metal/Non-Metal welder (non-shop) Fatality · POWERED HAULAGE
Martin Marietta Materials, Inc. · Caught in, under or between running or meshing objects

Employee was found entangled in conveyor 12 tail pulley. Responding authorities pronounced the employee deceased. Incident is still under investigation.

September 20, 2024 TN · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator Fatality · SLIP OR FALL OF PERSON
Blue Water Industries · Fall from machine

Employee found face down on ground next to loader EE was operating. Responding authorities pronounced employee deceased. Incident is still under investigation.

April 15, 2024 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · POWERED HAULAGE
Martin Marietta Materials Inc · Caught in, under or between a moving and a stationary object

Employee was fatally injured while working on a conveyor system.

April 13, 2024 GA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator Fatality · OTHER

Based on investigation to date, employee suffered a personal medical event (cardiac arrest). "Per Prelim: After washing a concrete pad, a miner drowned in a two-foot-deep pool of water."

January 30, 2023 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · SLIP OR FALL OF PERSON
Martin Marietta Kansas City, LLC · Fall from scaffolds, walkways, platforms

An employee was fatally injured when they fell from an opening in an elevated catwalk.

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

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.

August 3, 2021 TX · Metal/Non-Metal utility man, shift tech, service/dump truck operator Fatality · POWERED HAULAGE
TXI Operations LP · Struck by powered moving object

An employee was fatally injured when EE was struck by a third-party truck driver who failed to stop at a posted, lighted, STOP sign and made a sudden turn off the primary travel way. Local law enforcement arrested the third-party truck driver and charged the driver in connection with the accident.

August 21, 2020 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · MACHINERY
Martin Marietta Materials Inc. · Struck by falling object

Customer driver was found unresponsive outside the customer's truck. Cause of death is unknown.

March 22, 2016 IA · Metal/Non-Metal outside foreman, leadman Fatality · EXPLOSIVES AND BREAKING AGENTS
Martin Marietta Materials Inc. · Struck by flying object

On March 22, 2016 at approximately 6:35pm an employee was struck by flyrock after a shot was detonated. The employee was sitting inside of a pickup approximately 1,200 feet away from the shot when detonated. This incident resulted in a fatality.

February 27, 2014 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · SLIP OR FALL OF PERSON
Martin Marietta Materials, Inc. · Fall from machine

Emp a contract worker repairing a Scaler in Mod 12. The emp had fallen to the ground in fetal position, locked arms, clenched fist and bleeding from the ears. The witness did not know if the emp fell from a height or ground level. The injured emp was airlifted. He was lacking oxygen to brain for 10 minutes. He was pronounced dead at 9:45AM on Feb 28.

For insurers, brokers, and safety consultants

The full compliance file on Martin Marietta Materials Inc

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.