Bridge construction · Iowa

A.M. Cohron & Son, Inc.

Atlantic, IA · ~117 workers · 6 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
6.5
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

A.M. Cohron & Son, Inc. runs at 230% of its industry's injury rate - far more dangerous than the typical Bridge construction workplace, earning a grade F.

A.M. Cohron & Son, Inc.: 6.5 TCR = 230% of Bridge construction BLS 2.8 · 6y Form 300A (see methodology below)

A.M. Cohron & Son, Inc. safety composite

A.M. Cohron & Son, Inc. scores strongest on fatalities (safer than 53% of same-industry peers) and weakest on dart rate (safer than 19%), 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).

F

28/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 6.45 per 100 workers

Safer than 20% of industry peers

DART rate
F 4.34 per 100 workers

Safer than 19% of industry peers

Fatalities
D 0

Safer than 53% 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

−3.1

2016→2021

A.M. Cohron & Son, Inc. injury rate improved

A.M. Cohron & Son, Inc.'s TCR fell 3.1 from 8.4 in 2016 to 5.2 in 2021. Peak filing year was 2019 at 8.6 TCR. In 2021, DART was 0.67× this establishment's average TCR (severity share of cases).

2016=8.4 · 2017=8.0 · 2018=5.1 · 2019=8.6 · 2020=3.4 · 2021=5.2

OSHA ITA Form 300A scorecard

Establishment book 237310 · Atlantic, IA ABOVE-IND · MID

Grade F · TCR 6.5 · 230% of ind

  • DART 4.3 DART
  • RANK #69/111
  • PHOTO DGM, INC.
  • BOOK 6y book
  • INJ 49 inj
  • SIZE ~117 FTE

Nearest TCR peer: DGM, INC. (0.0 TCR gap)

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

A.M. Cohron & Son, Inc. in the TCR neighbourhood

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

TCR

What this shows A.M. Cohron & Son, Inc. averages 6.5 TCR (230% of the Bridge construction BLS benchmark).

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

A.M. Cohron & Son, Inc. TCR series: 2016=8.4 · 2017=8 · 2018=5.1 · 2019=8.6 · 2020=3.4 · 2021=5.2 · BLS 2.8

Where A.M. Cohron & Son, Inc. falls in its industry

4,078 Bridge construction establishments

Safer than 20% of graded establishments in this industry, whose median TCR is 3.0.

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #69 safest of 111 Bridge construction employers in Iowa.

A.M. Cohron & Son, Inc. (117 employees, TCR 6.5) among 29 same-industry peers, split at the industry median of 69 employees and a TCR of 3.0 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 01,0002,0003,000 0102030 Average employees Total Case Rate A.M. Cohron & Son, Inc.
A.M. Cohron & Son, Inc. (117 employees, TCR 6.5) among 29 same-industry peers, split at the industry median of 69 employees and a TCR of 3.0

A.M. Cohron & Son, Inc. has more employees than the Bridge construction median and a higher injury rate than the industry's median TCR of 3.0. 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
2021 5.2 4.3 6 0 0
2020 3.4 2.0 5 0 0
2019 8.6 6.2 11 0 0
2018 5.1 3.4 6 0 0
2017 8.0 5.8 11 0 0
2016 8.4 4.2 10 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237310 · IA · Atlantic

4,078 Bridge construction employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 25 employers in Atlantic, 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 DGM, INC. 6.5 TCR
NAICS-TCR The Gorman Group LLC 6.5 TCR
NAICS-TCR Company 6.5 TCR
NAICS-TCR Cashless Tolling Constructors 6.5 TCR
STATE-SIZE Michels Power Inc-IA-Marion 117 FTE
STATE-SIZE Diamond Animal Health, Inc. 117 FTE
STATE-SIZE TarfFix Devices, Inc. Fairfield 117 FTE
STATE-SIZE 201879 117 FTE
CITY-NEAR Cass County Memorial Hospital 372 FTE
CITY-NEAR Duke Aerial Inc 268 FTE
CITY-NEAR WM 3394 222 FTE
CITY-NEAR 3394 218 FTE
NAT-TCR Energy Absorption Systems 6.5 TCR
NAT-TCR Library Square VLC 6.5 TCR
NAT-TCR Whetstone Gardens Care Center 6.5 TCR
NAT-TCR Hartel's Disposal Waste Collection 6.5 TCR
NAT-SIZE INNERFACE 117 FTE
NAT-SIZE FedEx Supply Chain - HP Facility LaVergne, TN 117 FTE
NAT-SIZE Becker Electric, Inc. 117 FTE
NAT-SIZE InCord 117 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: 2021, 2020, 2019, 2018, 2017, 2016. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.