Concrete pouring · California

Sierra Mountain Construction, Inc.

Sonora, CA · ~117 workers · 4 years of OSHA Injury Tracking Application data.

B
Good Safety Record
1.5
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Sierra Mountain Construction, Inc. runs at 53% of its industry's injury rate - safer than the typical Concrete pouring workplace, earning a grade B.

Sierra Mountain Construction, Inc.: 1.5 TCR = 53% of Concrete pouring BLS 2.8 · 4y Form 300A (see methodology below)

Sierra Mountain Construction, Inc. safety composite

Sierra Mountain Construction, Inc. scores strongest on total case rate (tcr) (safer than 82% of same-industry peers) and weakest on fatalities (safer than 51%), 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

74/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.47 per 100 workers

Safer than 82% of industry peers

DART rate
B 0 per 100 workers

Safer than 81% of industry peers

Fatalities
D 0

Safer than 51% 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

−3.0

2017→2021

Sierra Mountain Construction, Inc. injury rate improved

Sierra Mountain Construction, Inc.'s TCR fell 3.0 from 3.0 in 2017 to 0.0 in 2021. Peak filing year was 2017 at 3.0 TCR. In 2021, DART was 0× this establishment's average TCR (severity share of cases).

2017=3.0 · 2019=2.9 · 2020=0.0 · 2021=0.0

OSHA ITA Form 300A scorecard

Establishment book 238110 · Sonora, CA AT/BELOW-IND · MID

Grade B · TCR 1.5 · 53% of ind

  • DART 0.0 DART
  • RANK #22/166
  • PHOTO Donley's Concrete Gr…
  • BOOK 4y book
  • INJ 5 inj
  • SIZE ~117 FTE

Nearest TCR peer: Donley's Concrete Group LLC (0.0 TCR gap)

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

Sierra Mountain Construction, Inc. in the TCR neighbourhood

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

TCR

What this shows Sierra Mountain Construction, Inc. averages 1.5 TCR (53% of the Concrete pouring BLS benchmark).

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

Sierra Mountain Construction, Inc. TCR series: 2017=3 · 2019=2.9 · 2020=0 · 2021=0 · BLS 2.8

Where Sierra Mountain Construction, Inc. falls in its industry

1,314 Concrete pouring establishments

Safer than 82% of graded establishments in this industry, whose median TCR is 3.8.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #22 safest of 166 Concrete pouring employers in California.

Sierra Mountain Construction, Inc. (117 employees, TCR 1.5) among 29 same-industry peers, split at the industry median of 64 employees and a TCR of 3.8 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 Sierra Mountain Construction, Inc.
Sierra Mountain Construction, Inc. (117 employees, TCR 1.5) among 29 same-industry peers, split at the industry median of 64 employees and a TCR of 3.8

Sierra Mountain Construction, Inc. has more employees than the Concrete pouring median and a lower injury rate than the industry's median TCR of 3.8. 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 0.0 0.0 0 0 0
2020 0.0 0.0 0 0 0
2019 2.9 0.0 2 2 0
2017 3.0 3.0 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238110 · CA · Sonora

1,314 Concrete pouring employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 65 employers in Sonora, CA · 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 Donley's Concrete Group LLC 1.5 TCR
NAICS-TCR SW Funk Industrial Contractors Inc. 1.5 TCR
NAICS-TCR Healy Long & Jevin, Inc. 1.5 TCR
NAICS-TCR D B Construction Services Inc 1.5 TCR
STATE-SIZE Frog Hollow Farm LLC 117 FTE
STATE-SIZE Standard Cattle LLC 117 FTE
STATE-SIZE LFA 117 FTE
STATE-SIZE Oxnard Plant #4 117 FTE
CITY-NEAR Adventist Health Sonora 1,442 FTE
CITY-NEAR California Department of Transportation Facility 348 779 FTE
CITY-NEAR 9292-AHSR001 - HOSPITAL 511 FTE
CITY-NEAR 2030 350 FTE
NAT-TCR DEVON 1.5 TCR
NAT-TCR Arbon Atlanta 1.5 TCR
NAT-TCR Met Mus Emp Cafe 1.5 TCR
NAT-TCR PYA 1.5 TCR
NAT-SIZE Odd Fellow - Rebekah Home #538 117 FTE
NAT-SIZE US7124: Weatherford 117 FTE
NAT-SIZE Paolini & Company Inc. 117 FTE
NAT-SIZE St. Vincent Health System - EV 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, 2017. 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.