# Amputations involving bone loss at Riverview, LLP
> OSHA SIR `2025054943` · 5/26/2025 · IROQUOIS, SOUTH DAKOTA
## Severity
- **1 amputation**
- **Body part:** Thumb(s)
- **Nature of injury:** Amputations involving bone loss
## Cause
- **Event:** Caught or wedged between objects  nonrunning
- **Source:** Structural elements  n.e.c.
- **Secondary source:** Panels, sheets, plates  metal
## Employer
- **Name:** Riverview, LLP
- **Location:** 100 Redstone Street, IROQUOIS, SOUTH DAKOTA, 57353
- **NAICS:** 112120
- **Jurisdiction:** 1
## Narrative

An employee was setting a roof truss when their thumb became trapped between the roof truss and the steel plate. The distal phalanx of the thumb was surgically amputated.

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*Source: [OSHA Severe Injury Reports](https://www.osha.gov/severe-injury-reports) · MORVS · CC0 1.0*