# Fractures at Standard Materials Group, Inc.
> OSHA SIR `20231010072` · 10/31/2023 · BROKEN ARROW, OKLAHOMA
## Severity
- **1 hospitalization**
- **Body part:** Chest, except internal location of diseases or disorders
- **Nature of injury:** Fractures
## Cause
- **Event:** Jack-knifed or overturned, roadway
- **Source:** Cement truck, concrete mixer truck
- **Secondary source:** Street, road, driveway, unspecified
## Employer
- **Name:** Standard Materials Group, Inc.
- **Location:** 2400 E College St, BROKEN ARROW, OKLAHOMA, 74012
- **NAICS:** 327320
- **Jurisdiction:** 1
## Narrative

An employee was backing a concrete delivery truck down a temporary road when a portion of the road collapsed. This caused the truck to roll into a drainage ditch; the employee sustained three left rib fractures and soft tissue damage.

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