Muggli Bros INC Safety Record
DOT# 505979 · Miles City, MT 59301-9218 · 4062345312
Good safety record — scored 30/100. Below-average out-of-service rates and few crashes.
Last inspected 03/09/2026
Safety Score Breakdown · 30/100 points
Lower scores are better. How is this calculated?
According to FMCSA records, Muggli Bros INC (DOT# 505979) in Miles City, Montana has 5 inspections on record with 24 violations and a 20.0% vehicle out-of-service rate. Safety grade: B.
Out-of-Service Rates vs. National Average
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.
Violation Categories · 24 total violations
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.
Inspection History · 5 records
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.
| Date | State | Veh OOS | Drv OOS |
|---|---|---|---|
| 03/09/2026 | WY | 0 | 0 |
| 09/24/2024 | SD | 0 | 0 |
| 08/09/2024 | SD | 0 | 0 |
| 01/18/2024 | WY | 1 | 1 |
| 01/11/2024 | WY | 0 | 0 |
Fleet Profile
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.