Construction management, highway, road, street and bridge · Idaho

Knife River - Idaho

Boise, ID · ~475 workers · 2 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 - Idaho runs at 68% of its industry's injury rate - safer than the typical Construction management, highway, road, street and bridge workplace, earning a grade B.

Knife River - Idaho: 1.9 TCR = 68% of Construction management, highway, road, street and bridge BLS 2.8 · 2y Form 300A (see methodology below)

Knife River - Idaho safety composite

Knife River - Idaho scores strongest on total case rate (tcr) (safer than 68% of same-industry peers) and weakest on dart rate (safer than 40%), 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).

D

54/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.9 per 100 workers

Safer than 68% of industry peers

DART rate
D 1.82 per 100 workers

Safer than 40% 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%).

Rising injury rate

Knife River - Idaho: 1.3 → 2.5 TCR

Peak year 2017 @ 2.5 TCR · DART/TCR 0.96× in 2017

Knife River - Idaho's TCR rose 1.3 from 1.3 in 2016 to 2.5 in 2017. In 2017, DART was 0.96× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

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

Grade B · TCR 1.9 · 68% of ind

  • DART 1.8 DART
  • RANK #5/17
  • PHOTO Rieth-Riley - Cal-Re…
  • BOOK 2y book
  • INJ 21 inj
  • SIZE ~475 FTE

Nearest TCR peer: Rieth-Riley - Cal-Region (0.0 TCR gap)

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

Knife River - Idaho in the TCR neighbourhood

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

TCR

What this shows Knife River - Idaho averages 1.9 TCR (68% of the Construction management, highway, road, street and bridge BLS benchmark).

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

Knife River - Idaho TCR series: 2016=1.3 · 2017=2.5 · BLS 2.8

Where Knife River - Idaho falls in its industry

4,078 Construction management, highw 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 #5 safest of 17 Construction management, highw employers in Idaho.

Knife River - Idaho (475 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 - Idaho
Knife River - Idaho (475 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 - Idaho has more employees than the Construction management, highway, road, 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
2017 2.5 1.8 14 0 0
2016 1.3 1.1 7 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237310 · ID · Boise

4,078 Construction management, highway, road, street and bridge 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 Rieth-Riley - Cal-Region 1.9 TCR
NAICS-TCR Rifenburg Construction Inc. 1.9 TCR
NAICS-TCR CSSC - Little Rock 1.9 TCR
NAICS-TCR Champion Infrastructure, LLC 1.9 TCR
STATE-SIZE 1902 475 FTE
STATE-SIZE Clearwater Paper Lewistion CPD 474 FTE
STATE-SIZE WM 5494 472 FTE
STATE-SIZE BOISE (IDBOI) 478 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 33- Omaha 1.9 TCR
NAT-TCR Westin Buckhead Atlanta 1.9 TCR
NAT-TCR Goodrich - Turbine Fuel Technologies- Carroll IA 1.9 TCR
NAT-TCR CN Irvine 1.9 TCR
NAT-SIZE Power Services : Houston, TX, USA (J-Port) 475 FTE
NAT-SIZE Ingram Mirco ALC 80 475 FTE
NAT-SIZE The Bradford Group 475 FTE
NAT-SIZE East Plant 475 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: 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.