Petersen Brothers INC (USDOT 856431)
MonitorFindings
80% vehicle OOS over 10 inspections. More than 3× the national average of 22.92%
Vehicle maintenance ranks 91 of 100 among similar carriers with recent violations (higher = worse). fleetfax peer estimate, not an official CSA score.
- DOT number
- USDOT 856431
- Docket (MC) number
- MC380585
- Operating authority
- Contract carrier authority: active. The federal bulk file showed this carrier's USDOT registration active as of Sep 14, 2026. We could not confirm that live just now.
- Authority granted
- May 9, 2000
- Insurance on file
- Liability (BIPD) insurance on file for $750,000.
- Safety rating
- No published safety rating
- Fleet on file
- 76 power units, 33 drivers
- Operation type
- Intrastate Non-Hazmat
- Physical address
- 2008 E VALLEY HIGHWAY E, SUMNER, WA 98390-9579
- MCS-150 last filed
- Feb 2025
Frequently asked questions
What carrier is DOT 856431?
DOT 856431 (USDOT 856431) is Petersen Brothers INC, an intrastate non-hazmat motor carrier.
What carrier is MC 380585?
MC 380585 is the docket number of Petersen Brothers INC, USDOT 856431.
What is Petersen Brothers INC's MC number?
Petersen Brothers INC's docket number is MC 380585. Its USDOT number is 856431.
Is Petersen Brothers INC currently authorized to operate?
Contract carrier authority: active. The federal bulk file showed this carrier's USDOT registration active as of Sep 14, 2026. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Petersen Brothers INC have insurance on file with FMCSA?
Liability (BIPD) insurance on file for $750,000.
Who provides Petersen Brothers INC's insurance?
Petersen Brothers INC's liability insurance is filed with FMCSA by The Travelers Indemnity CO. Of Connecticut.
What is Petersen Brothers INC's safety record?
In the last 24 months, FMCSA records show a 80.0% vehicle out-of-service rate for Petersen Brothers INC, from 8 of 10 vehicle inspections, against a national average of 22.9% (fleetfax-computed from FMCSA inspections, as of Sep 10, 2026). FMCSA records also show 0 recordable crashes in the same window.
What is Petersen Brothers INC's CSA score?
FMCSA does not publish a single CSA score for carriers. Petersen Brothers INC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Petersen Brothers INC's FMCSA safety rating?
Petersen Brothers INC has no published FMCSA safety rating. Most US carriers have never received a rating review, so an unrated carrier is the common case, not a warning sign by itself.
Changes over time
A free account follows changes on the carriers you save.
View the full fleetfax report for Petersen Brothers INC
More carriers based in Washington
Run a SAFER company snapshot lookup for any carrier
Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Sep 14, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status