A plant Mechanic employed by Concrete Supply was using a prybar to lift the side of a belt to place a roller and guard. Holding the bar in position their shoulder popped and suffered a shoulder subluxation. Their arm is mobile but very sore. Sent to orthopedic doctor this afternoon to see if more damage was caused.
Jefferson Sand Metal/Non-Metal
Viking Aggregates, Inc.
· Surface
Controlled by
Rasmussen Group Inc
Jefferson,
Greene County,
IA
·
Active
MSHA Mine ID: 1302262
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- Fatalities
- 0
- Total incidents
- 2
- Years on record
- 2025
- Latest incident
- Aug 2025
Compliance record
MSHA citations since 2003
64
citations
17
significant & substantial
$10,440
proposed penalties
$10,440
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 | 1,542 | 1 | 0 | 648.5 |
| 2025 Q3 | 1,926 | 4 | 0 | 2076.8 |
| 2025 Q2 | 2,680 | 0 | 0 | 0.0 |
| 2025 Q1 | 1,512 | 0 | 0 | 0.0 |
| 2024 Q4 | 2,198 | 0 | 0 | 0.0 |
| 2024 Q3 | 2,170 | 3 | 0 | 1382.5 |
| 2024 Q2 | 2,140 | 0 | 0 | 0.0 |
| 2024 Q1 | 891 | 0 | 0 | 0.0 |
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.
Reportable incidents
2 on file2025 · 2 incidents
Central IA Ready Mix Inc dba Grn Co Mtls · Over-exertion in pulling or pushing objects
July 17, 2025
IA · Metal/Non-Metal
haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver
OTHER
Central IA Ready Mix Inc dba Grn Co Mtls · (Not Elsewhere Classified)
Side dump driver was passing through the yard. EE passed out in the truck and veered off the roadway into pasture surrounding property. EE was taken to hospital by office employee. There were no contusions or lacerations on EE's person after accident happened. EE was traveling 16 mph when the incident occurred. Hospital found EE was anemic and given 2 pints of blood.