Mason Bros Company INC (USDOT 366386)
1 caution found.
- DOT number
- USDOT 366386
- Operating authority
- No active operating authority on file with FMCSA. The federal bulk file showed this carrier active as of 2026-09-01. We could not confirm that live just now.
- Insurance on file
- No active liability (BIPD) insurance on file with FMCSA.
- Safety rating
- Satisfactory (rating decision 1990-10-16)
- Fleet on file
- 48 power units, 40 drivers
- Operation type
- Interstate
- Physical address
- 222 N E 4TH ST, WADENA, MN 56482
- MCS-150 last filed
- 2024-05
Findings
- Hours of service at the FMCSA intervention threshold (Caution): Hours of service ranks 75 of 100 among similar carriers with recent violations (higher = worse). fleetfax peer estimate, not an official CSA score.
- Safety rating is more than 5 years old (Note): Rating Satisfactory issued 1990-10-16 (35 years ago); most recent FMCSA review 1990-07-18 (36 years ago). Both exceed the 5-year audit cycle
Frequently asked questions
What carrier is DOT 366386?
DOT 366386 (USDOT 366386) is Mason Bros Company INC, an interstate motor carrier.
What is Mason Bros Company INC's USDOT number?
Mason Bros Company INC's USDOT number is 366386. No MC docket number is on file.
Is Mason Bros Company INC currently authorized to operate?
No active operating authority on file with FMCSA. The federal bulk file showed this carrier active as of 2026-09-01. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Mason Bros Company INC have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Mason Bros Company INC's safety record?
In the last 24 months, FMCSA records show a 21.4% vehicle out-of-service rate for Mason Bros Company INC, from 3 of 14 vehicle inspections, against a national average of 22.9% (fleetfax-computed from FMCSA inspections, as of 2026-08-29). FMCSA records also show 1 recordable crash in the same window.
What is Mason Bros Company INC's CSA score?
FMCSA does not publish a single CSA score for carriers. Mason Bros Company INC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Mason Bros Company INC's FMCSA safety rating?
Mason Bros Company INC's FMCSA safety rating is Satisfactory, from a review decided 1990-10-16.
Changes over time
Carriers change. Phone numbers, email addresses, insurance, authority. A sudden contact-info change is often the first sign of carrier identity fraud. fleetfax tracks these changes. Create a free account to follow changes on carriers you save.
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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Sep 1, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status