Data / Mines / Oregon / RiverBend Materials Windsor
RiverBend Materials Windsor: 12 MSHA citations
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
RiverBend Materials Windsor is an active crushed, broken stone surface mine in Marion County, Oregon, operated by Central Pre-Mix Concrete Co. with 20 employees on MSHA's record (mine ID 3503425). Since January 1, 2022 MSHA inspectors issued 12 citations and orders there with $1,578 in proposed penalties, and 12 accident reports were filed there, with 10 injury or illness cases.
The request: Watch RiverBend Materials Windsor (MSHA mine ID 3503425) in Marion County, Oregon: each new citation and each accident report. $10 of work on sign-up, no card.
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- MSHA mine ID
- 3503425
- Status
- Active since February 2, 1996
- Main commodity
- Crushed, broken stone
- Mine type
- Surface
- County
- Marion County, Oregon
- Nearest town
- Keizer
- Operator
- Central Pre-Mix Concrete Co.
- Parent company
- CRH PLC
- Employees
- 20
- MSHA field office
- Albany Or Field Office
- Citations and orders since January 1, 2022
- 12
- Significant and substantial
- 1 (8.3%)
- Closure orders
- 1
- High negligence or reckless
- 0
- Proposed penalties
- $1,578
- Amount paid so far
- $1,427
- Inspections
- 14
- Inspector hours on site
- 81
- Citations per inspection
- 0.86 (all mines 2.30)
- Accident reports
- 12
- Injury and illness cases
- 10
- Fatalities
- 0
- Latest MSHA record
- October 28, 2026
Citations and injury cases by year
Calendar years since 2022; 2026 runs to the date of the MSHA files.
| Year | Citations and orders | Significant and substantial | Proposed penalties | Injury and illness cases |
|---|---|---|---|---|
| 2022 | 0 | 0 | $0 | 3 |
| 2023 | 1 | 0 | $143 | 4 |
| 2024 | 4 | 0 | $680 | 2 |
| 2025 | 4 | 0 | $604 | 1 |
| 2026 | 3 | 1 | $151 | 0 |
Standards cited most at RiverBend Materials Windsor
Sections of Title 30 of the Code of Federal Regulations named on the citations, with the part each belongs to.
| Standard | What the part covers | Citations |
|---|---|---|
| 30 CFR 56.20003 | Surface metal and nonmetal mines | 2 |
| 30 CFR 50.20 | Reporting of accidents, injuries and illnesses | 2 |
| 30 CFR 56.14112 | Surface metal and nonmetal mines | 2 |
| 30 CFR 56.14200 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.4101 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.14107 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.14100 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.14206 | Surface metal and nonmetal mines | 1 |
| 30 CFR 46.5 | Training at sand, gravel and surface stone mines | 1 |
Injury and illness cases at RiverBend Materials Windsor
Accident reports by degree of injury, as the operator reported them to MSHA.
| Degree | Cases |
|---|---|
| Days away from work or restricted activity | 7 |
| No lost time, or an occupational illness | 3 |
What the accident reports at RiverBend Materials Windsor describe
Accident classification, as MSHA codes the circumstances that contributed most directly.
| Classification | Reports |
|---|---|
| Handling of materials | 6 |
| Other | 4 |
| Handtools (nonpowered) | 1 |
| Slip or fall of person | 1 |
Equipment named in accident reports at RiverBend Materials Windsor
| Equipment | Reports |
|---|---|
| Hand tools (not powered) | 1 |
Other open mines in Marion County, Oregon
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| Portable 2 | Chavarria Construction Inc. | Marion County, OR | Crushed, broken stone | 1 | 25 |
| Portable #1 | Stokes Crushing LLC | Marion County, OR | Crushed, broken stone | 2 | 24 |
| Reed Pit | Knife River Corporation Northwest | Marion County, OR | Construction sand and gravel | 17 | 16 |
| RiverBend Materials Turner South | Central Pre-Mix Concrete Co. | Marion County, OR | Construction sand and gravel | 7 | 12 |
| Allied Rock Portable Crusher #1 | Central Pre-Mix Concrete Co. | Marion County, OR | Crushed, broken stone | 5 | 11 |
| RiverBend Materials RiverBend West | Central Pre-Mix Concrete Co. | Marion County, OR | Construction sand and gravel | 9 | 9 |
| Plant #1 | Aggregate Resource Crushing, LLC | Marion County, OR | Crushed, broken stone | 4 | 9 |
| WCP Inc | Wilsonville Concrete Products | Marion County, OR | Construction sand and gravel | 5 | 7 |
| K & E Rock Products | K&e Excavating Inc | Marion County, OR | Crushed, broken stone | 5 | 7 |
| RiverBend Materials Hilroy | Central Pre-Mix Concrete Co. | Marion County, OR | Construction sand and gravel | 8 | 3 |
| Keizer Pit & Plant | Knife River Corporation Northwest | Marion County, OR | Construction sand and gravel | 4 | 3 |
| Allied Rock Portable Crusher #2 | Central Pre-Mix Concrete Co. | Marion County, OR | Crushed, broken stone | 2 | 3 |
| Rogue Portable #10 | Knife River Corporation Northwest | Marion County, OR | Crushed, broken stone | 3 | 0 |
| Umpqua Mobile Crushing | Central Pre-Mix Concrete Co. | Marion County, OR | Crushed, broken stone | 2 | 0 |
US government work, public domain. Counts come from the MSHA files published on November 6, 2026. An open mine is one MSHA lists as Active, Intermittent, New Mine, Temporarily Idled or NonProducing; 13,673 were open that day. Citations, penalties, inspections and accident reports run from January 1, 2022. A citation is an inspector's allegation and an operator can contest it; the penalty is the amount MSHA first proposed, before any contest or settlement. An operator is the legal entity MSHA assesses, and a parent company is its controller. Mines run by sole proprietors or by individuals are counted in every total and are not named. This page uses MSHA data and is not endorsed or certified by MSHA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.