Pavement, highway, road, street, bridge or airport runway, construction · Idaho

Knife River Corporation - Mountain West - Idaho

Boise, ID · ~641 workers · 4 years of OSHA Injury Tracking Application data.

B
Good Safety Record
1.9
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Knife River Corporation - Mountain West - Idaho runs at 68% of its industry's injury rate - safer than the typical Pavement, highway, road, street, bridge or airport runway, construction workplace, earning a grade B.

Knife River Corporation - Mountain West - Idaho: 1.9 TCR = 68% of Pavement, highway, road, street, bridge or airport runway, construction BLS 2.8 · 4y Form 300A (see methodology below)

Knife River Corporation - Mountain West - Idaho safety composite

Knife River Corporation - Mountain West - Idaho scores strongest on total case rate (tcr) (safer than 68% of same-industry peers) and weakest on dart rate (safer than 42%), 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

55/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.89 per 100 workers

Safer than 68% of industry peers

DART rate
D 1.64 per 100 workers

Safer than 42% 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

−0.9

2019→2023

Knife River Corporation - Mountain West - Idaho injury rate improved

Knife River Corporation - Mountain West - Idaho's TCR fell 0.9 from 2.5 in 2019 to 1.6 in 2023. Peak filing year was 2019 at 2.5 TCR. In 2023, DART was 0.87× this establishment's average TCR (severity share of cases).

2019=2.5 · 2020=1.8 · 2022=1.6 · 2023=1.6

OSHA ITA Form 300A scorecard

Establishment book 237310 · Boise, ID AT/BELOW-IND · MID

Grade B · TCR 1.9 · 68% of ind

  • DART 1.6 DART
  • RANK #4/17
  • PHOTO Remac, Inc.
  • BOOK 4y book
  • INJ 51 inj
  • SIZE ~641 FTE

Nearest TCR peer: Remac, Inc. (0.0 TCR gap)

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

Knife River Corporation - Mountain West - Idaho in the TCR neighbourhood

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

TCR

What this shows Knife River Corporation - Mountain West - Idaho averages 1.9 TCR (68% of the Pavement, highway, road, street, bridge or airport runway, construction BLS benchmark).

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

Knife River Corporation - Mountain West - Idaho TCR series: 2019=2.5 · 2020=1.8 · 2022=1.6 · 2023=1.6 · BLS 2.8

Where Knife River Corporation - Mountain West - Idaho falls in its industry

4,078 Pavement, highway, road, stree establishments

Safer than 68% of graded establishments in this industry, whose median TCR is 3.0.

More dangerous than peersSafer than peers

Narrower to Idaho alone (the establishments it most directly competes with for workers and contracts): ranked #4 safest of 17 Pavement, highway, road, stree employers in Idaho.

Knife River Corporation - Mountain West - Idaho (641 employees, TCR 1.9) 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 Knife River Corporation - Mountain West - Idaho
Knife River Corporation - Mountain West - Idaho (641 employees, TCR 1.9) among 29 same-industry peers, split at the industry median of 69 employees and a TCR of 3.0

Knife River Corporation - Mountain West - Idaho has more employees than the Pavement, highway, road, street, bridge median and a lower 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
2023 1.6 1.6 11 0 0
2022 1.6 1.2 12 0 0
2020 1.8 1.8 13 0 0
2019 2.5 1.3 15 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

237310 · ID · Boise

4,078 Pavement, highway, road, street, bridge or airport runway, construction employers nationwide with a credible TCR · 2,774 rated employers in Idaho with headcount on file · 581 employers in Boise, ID · 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 Remac, Inc. 1.9 TCR
NAICS-TCR D&J Enterprises 1.9 TCR
NAICS-TCR Calportland Construction - Construction Division 1.9 TCR
NAICS-TCR Fay Southeast, S&B USA Construction 1.9 TCR
STATE-SIZE AMERICAN FALLS ID 662 FTE
STATE-SIZE Silverwood Theme Park 610 FTE
STATE-SIZE Amalgamated Sugar 606 FTE
STATE-SIZE Amy's Kitchen Pocatello 676 FTE
CITY-NEAR St. Luke's Boise Medical Center (Including MSTI) 10,034 FTE
CITY-NEAR 1-Boise Main Site 6,035 FTE
CITY-NEAR Micron Boise Site 5,184 FTE
CITY-NEAR Saint Alphonsus Regional Medical Center 3,869 FTE
NAT-TCR Old Dominion Mechanical 1.9 TCR
NAT-TCR DL - Dillon (Frisco) 1.9 TCR
NAT-TCR Lorain County Health & Dentistry 1.9 TCR
NAT-TCR Vetter Stone Company 1.9 TCR
NAT-SIZE Greater Cincinnati Behavioral Health Services 641 FTE
NAT-SIZE Cox Communications - Wichita - Main Office 641 FTE
NAT-SIZE Van Mall 641 FTE
NAT-SIZE Driv Automotive 641 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: 2023, 2022, 2020, 2019. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.