Thayer Excavating LLC dba Riverbottom Rock operator
Controlled by
Todd Thayer; Kyle Thayer; Ray Thayer
MSHA operator ID: 0202193
- Fatalities
- 0
- Total incidents
- 1
- Mines on record
- 1
- Years on record
- 2025
Compliance record
MSHA citations since 2025
4
citations
1
significant & substantial
$604
proposed penalties
$604
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2025
3
inspections on record
64
inspection hours
n/a
citations per 100 inspection hours
ⓘ
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.Rate withheld: 64 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Penalty disposition
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.$604
proposed penalties
$604
current assessed
$604
paid to date
$0
outstanding
4 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-03-31.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- SLIP OR FALL OF PERSON 1 non-fatal
Incident timeline
2025
1
Mines on record
- Plant 1 WA
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The full compliance file on Thayer Excavating LLC dba Riverbottom Rock
A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.