Donaldson Bros Ready Mix INC Safety Record

DOT# 437462 · Hamilton, MT 59840 · 4063633600

A

Excellent safety record — scored 5/100 (lower is better). This carrier has one of the best inspection records on file.

Last inspected 12/11/2025

Grade based on FMCSA inspection, crash, and violation data. See methodology →

Vehicle OOS Rate 0/30 pts
Driver OOS Rate 0/20 pts
Crash Rate 5/30 pts
Fatal Crash Penalty 0/20 pts

Lower scores are better. How is this calculated?

According to FMCSA records, Donaldson Bros Ready Mix INC (DOT# 437462) in Hamilton, Montana has 13 inspections on record with 5 violations and a 7.7% vehicle out-of-service rate and 1 crash. Safety grade: A (excellent safety record).

13 Inspections
7.7% Vehicle OOS Rate
1 Crashes
35 Power Units

An out-of-service (OOS) violation means a vehicle or driver was found unsafe to operate during a roadside inspection and was prohibited from continuing until the issue was corrected.

Vehicle OOS Rate 7.7%
Carrier: 7.7% (1 of 13) National: 23.2%
Driver OOS Rate 0.0%
Carrier: 0.0% (0 of 13) National: 6.4%
69% OOS rate better than 69% of carriers in Montana
16% crash rate better than 16% of carriers in Montana

FMCSA groups violations into Behavioral Analysis and Safety Improvement Categories (BASICs). Each violation found during a roadside inspection is classified into a category that reflects the type of safety risk.

5 total violations across 13 inspections
1 violations resulted in out-of-service orders (20%)
Vehicle Maintenance
2
Unsafe Driving
3

FMCSA inspections range from Level 1 (full vehicle and driver examination) to Level 6 (enhanced motorcoach inspection). Level 1 is the most thorough; Levels 2 and 3 are walk-around and driver-only checks.

Level 1: 2 (15%) Level 2: 3 (23%) Level 3: 8 (62%)
1 of 5 recent inspections had vehicle out-of-service violations
Date State Level Veh OOS Drv OOS
12/11/2025 MT 2 1 0
11/11/2025 MT 3 0 0
09/09/2025 MT 3 0 0
06/03/2025 MT 3 0 0
03/03/2025 MT 1 0 0
11/06/2024 MT 2 0 0
08/14/2024 MT 2 0 0
07/09/2024 MT 3 0 0
05/06/2024 MT 3 0 0
01/03/2024 MT 3 0 0
04-SEP-24 most recent crash on record
Date State Fatalities Injuries Tow-Aways
04-SEP-24 MT 0 0 0

Power units include trucks, tractors, and other commercial motor vehicles registered to the carrier. Driver count reflects the total number of drivers reported on the carrier's MCS-150 filing.

Power Units 35
Drivers 22
Fleet Size Mid-Size Fleet
Operation Type Intrastate (Non-Hazmat)
Hazmat No
Operating Since 02/26/1991
MCS-150 Filed 20260216 1
Annual Mileage (MCS-150) 321,233
Address 477 Hwy 93 North, Hamilton, MT 59840