Concrete Block and Brick Manufacturing · Iowa

4418 - Shell Rock Concrete Plant

Shell Rock, IA · ~51 workers · 7 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.9
Avg TCR
3.3
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

4418 - Shell Rock Concrete Plant runs at 118% of its industry's injury rate - about level with the typical Concrete Block and Brick Manufacturing workplace, earning a grade C.

4418 - Shell Rock Concrete Plant: 3.9 TCR = 118% of Concrete Block and Brick Manufacturing BLS 3.3 · 7y Form 300A (see methodology below)

4418 - Shell Rock Concrete Plant safety composite

4418 - Shell Rock Concrete Plant scores strongest on dart rate (safer than 79% of same-industry peers) and weakest on fatalities (safer than 50%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

C

62/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.88 per 100 workers

Safer than 54% of industry peers

DART rate
B 0 per 100 workers

Safer than 79% of industry peers

Fatalities
D 0

Safer than 50% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

TCR Δ

−0.6

2018→2024

4418 - Shell Rock Concrete Plant injury rate improved

4418 - Shell Rock Concrete Plant's TCR fell 0.6 from 3.7 in 2018 to 3.0 in 2024. Peak filing year was 2020 at 9.2 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2018=3.7 · 2019=6.7 · 2020=9.2 · 2021=2.1 · 2022=0.0 · 2023=2.5 · 2024=3.0

OSHA ITA Form 300A scorecard

Establishment book 327331 · Shell Rock, IA ABOVE-IND · SMALL

Grade C · TCR 3.9 · 118% of ind

  • DART 0.0 DART
  • RANK #1/6
  • PHOTO Midwest Block - MCIB
  • BOOK 7y book
  • INJ 12 inj
  • SIZE ~51 FTE

Nearest TCR peer: Midwest Block - MCIB (0.0 TCR gap)

Read with this employer → · Industry book → · Iowa employers → · Look up another →

4418 - Shell Rock Concrete Plant in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows 4418 - Shell Rock Concrete Plant averages 3.9 TCR (118% of the Concrete Block and Brick Manufacturing BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

4418 - Shell Rock Concrete Plant TCR series: 2018=3.7 · 2019=6.7 · 2020=9.2 · 2021=2.1 · 2022=0 · 2023=2.5 · 2024=3 · BLS 3.3

Where 4418 - Shell Rock Concrete Plant falls in its industry

321 Concrete Block and Brick Manuf establishments

Safer than 54% of graded establishments in this industry, whose median TCR is 4.1.

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #1 safest of 6 Concrete Block and Brick Manuf employers in Iowa.

4418 - Shell Rock Concrete Plant (51 employees, TCR 3.9) among 29 same-industry peers, split at the industry median of 42 employees and a TCR of 4.1 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 0100200300 051015 Average employees Total Case Rate 4418 - Shell Rock Concrete Plant
4418 - Shell Rock Concrete Plant (51 employees, TCR 3.9) among 29 same-industry peers, split at the industry median of 42 employees and a TCR of 4.1

4418 - Shell Rock Concrete Plant has more employees than the Concrete Block and Brick Manufacturing median and a lower injury rate than the industry's median TCR of 4.1. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2024 3.0 0.0 1 0 0
2023 2.5 2.5 1 0 0
2022 0.0 0.0 0 0 0
2021 2.1 2.1 1 0 0
2020 9.2 9.2 4 0 0
2019 6.7 4.4 3 0 0
2018 3.7 0.0 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

327331 · IA · Shell Rock

321 Concrete Block and Brick Manufacturing employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 11 employers in Shell Rock, IA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Midwest Block - MCIB 3.9 TCR
NAICS-TCR Acker-Stone Industries 3.9 TCR
NAICS-TCR Basalite Dixon 3.9 TCR
NAICS-TCR Lee Brick and Block (Lexington) 3.8 TCR
STATE-SIZE Allendan Seed Company 51 FTE
STATE-SIZE Iowa Falls Truck Wash 51 FTE
STATE-SIZE Corteva Marion Research MRN1 51 FTE
STATE-SIZE GRS OSI Gen Repair Svc Wind Plt 51 FTE
CITY-NEAR Unverferth Manufacturing, Shell Rock Iowa Location 310 FTE
CITY-NEAR Trinity Rail Maintenance Services #4036 131 FTE
CITY-NEAR Shell Rock Healthcare 63 FTE
CITY-NEAR Shell Rock Senior Living 55 FTE
NAT-TCR Indianapolis East in - 3337 3.9 TCR
NAT-TCR SC140 Prosperity Sawmill 3.9 TCR
NAT-TCR Anoka 3.9 TCR
NAT-TCR Ada Hospital - Bridges Medical Center 3.9 TCR
NAT-SIZE San Antonio, TX - MK Plant 26 51 FTE
NAT-SIZE Central Transport - 958 51 FTE
NAT-SIZE Kirkwood Orange 51 FTE
NAT-SIZE Fred Eichler Construction, Inc. 51 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2024, 2023, 2022, 2021, 2020, 2019, 2018. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.