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O'BRIEN ROCK COMPANY INC

DOT 527966ActiveInterstateSAINT PAUL, KS

COMPANY

Authority since
—
MCS-150
2026-03-16 · 1,089,317 mi (2025)
Fleet
72 units · 18 trailers · 58 drivers
Annual mileage (VMT)
1,089,317 mi (2025)
Owner origin
Anglosphere
Origin candidates
Irish 44% · French 32%

ADDRESS

Physical
712 CENTRAL ST
SAINT PAUL, KS 66771
Mailing
PO BOX 217
SAINT PAUL, KS 66771-0217

CONTACT

Phone
6204492257
Email
megan@obrienreadymix.com

OFFICERS

Primary Officer
KYLE O'BRIEN
Title
VICE PRESIDENT
Origin
Anglosphere

OPERATION & CARGO

Operation classification
Private Property
Specialty
Commodities Dry Bulk
Cargo types
2
Commodities Dry BulkOther: READYMIX CONCRETE
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
—
Active authority
INSURANCE
None
No coverage on file
RISK GRADE
Elevated Risk
3 risk factors · 2 strengths
OOS RATE
11.1%
3 / 27 inspections

Fleet vs Reality

last 12 months · power-unit VINs from roadside inspections
Checking local VIN index…

Elevated Risk

3 risk factors · 2 strengths · 6 data points

SAFETY PERFORMANCE

Crash Record
47 crashes · 3 fatal · 17 with injuries · 45 tow-away
Clean Inspection Rate
89% — 24 clean of 27 inspections
Out-of-Service Rate
11.1% — driver OOS 0, vehicle OOS 3

COMPLIANCE & AUTHORITY

Operating Authority
Active operating authority on file
Authority Events
No authority history events
MCS-150 Filing
Last filed 2026-03-16

INSURANCE

Active Coverage
No insurance policies on file

SUMMARY

Elevated OOS rate 18% (last 24 mo)
1.5 violations per inspection
No active insurance on file
Low crash rate (2.8 per 100 trucks/yr)
89% clean inspections

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