Mining Incidents

Riverbend Sand and Gravel Metal/Non-Metal

Brighton, Weld County, CO  ·  Active
MSHA Mine ID: 0504841

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Fatalities
1
Total incidents
12
Years on record
2007–2024
Latest incident
Apr 2024
Compliance record
MSHA citations since 2007
80
citations
11
significant & substantial
$214,174
proposed penalties
$161,524
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 15,985 0 0 0.0
2025 Q3 11,960 0 0 0.0
2025 Q2 3,043 2 0 657.2
2025 Q1 2,236 1 0 447.2
2024 Q4 15,368 0 0 0.0
2024 Q3 17,252 5 3 289.8
2024 Q2 18,190 1 0 55.0
2024 Q1 15,710 0 0 0.0
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

Fatalities at this mine

1 recorded
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.

Reportable incidents

11 on file (excluding fatalities above)

2023 · 2 incidents

October 25, 2023 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Martin Marietta Materials Inc · Fall from machine

Employee was climbing down the front end loader ladder, as EE stepped off the bottom rung, EE slipped and fell.

June 4, 2023 CO · Metal/Non-Metal outside foreman, leadman SLIP OR FALL OF PERSON
Martin Marietta Materials Inc · Fall to the walkway or working surface

Employee was in the process of fueling a diesel powered water pump. As they walked to the pump in the rain they slipped on a muddy surface and fell. The employee fractured their right leg during the fall.

2022 · 1 incident

June 22, 2022 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Martin Marietta Materials Inc · Struck against a moving object

Employee operating the excavator, traveled on the south side of the conveyor, parallel to the highwall. Holding 6-8' back from the highwall as they traveled, the material gave way underneath the excavator, tipping over the machine. The employee sustained a fractured rib and occipital condyle fracture. A seatbelt was worn.

2021 · 2 incidents

May 15, 2021 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Martin Marietta Materials Inc · Struck by... (Not Elsewhere Classified)

Employee was pulling a chain across a belt conveyor and the hook flipped up and hit EE in the mouth. The employee did not want treatment on the day it occured. Was then evaluated on 05/18/21 by a dentist and determined teeth would need removed and repaired.

May 4, 2021 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Martin Marietta Materials Inc · Over-exertion in wielding or throwing objects

Employee was removing a rock (approx. 25lbs.) from the screen deck. When we tossed the rock, employee felt a pain in back. Employee was seen at the clinic given ice and ibuprofen. After a week the pain had not resolved and was prescribed physical therapy, making it recordable on 05/07/2021.

2020 · 1 incident

November 17, 2020 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials Inc · Struck by falling object

Employee was conducting overhead welding activities when a piece of metal got into EE's eye. EE did not report it right away. The metal was removed by an eye dr. on 11/20 and was given a prescription.

2017 · 1 incident

November 9, 2017 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Martin Marietta Materials Inc · Struck by... (Not Elsewhere Classified)

EE was removing a fork from a fork lift attachment on a front end loader. The fork pivoted, striking the EE in the face breaking their jaw and knocking out a tooth.

2015 · 1 incident

July 15, 2015 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Martin Marietta Materials Inc · Struck by... (Not Elsewhere Classified)

The employee was cutting zip ties off of his hard hat to remove the head lamp. The knife slipped and cut the employee in the hand requiring 3 stitches.

2014 · 1 incident

February 14, 2014 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Martin Marietta Materials Inc · Over-exertion in lifting objects

Employee called to report that on Friday, 2/14/14, @ 1000 am she was getting a sample for a customer using a 5 gallon bucket & when she went to pick up the bucket to place on tailgate of truck she felt a "sharp pain in the front of the right shoulder that shot shooting pains down the arm to the fingers & up the neck".

2008 · 1 incident

July 31, 2008 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Lafarge West Inc · Caught in, under or between running or meshing objects

Employee was sweeping underneath conveyor belt; conveyor pulled broom and employee's hand was abraded by conveyor belt.

2007 · 1 incident

July 19, 2007 CO · Metal/Non-Metal outside foreman, leadman SLIP OR FALL OF PERSON
Lafarge West Inc · Over-exertion (Not Elsewhere Classified)

Installing a water valve, slipped in mud and twisted back.