What is MC number 380585?

MC number 380585 is assigned to Petersen Brothers Inc, a registered motor carrier with the FMCSA under USDOT number 856431.

Is Petersen Brothers Inc Safe? DOT 856431 – Safety Rating, Crashes & Violations

Q: How many inspections has Petersen Brothers Inc had?

Petersen Brothers Inc has recorded 14 total inspections, with 13 out-of-service orders.

This carrier is active. Review the inspection and crash data below.

Petersen Brothers Inc is a registered motor carrier with the FMCSA under USDOT number 856431. The company operates from Sumner, WA and maintains an active operating status with 76 power units and 33 drivers on record.

Safety Rating

FMCSA Safety Rating

— Not Rated

No formal safety rating has been assigned to Petersen Brothers Inc by the FMCSA. View official FMCSA record →

Inspection Summary

All-time Inspections

All-time

Total

OOS

Driver OOS

Vehicle OOS

14 inspections — relatively low volume, which may indicate a smaller or newer carrier.

OOS Rate92.86%

The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. 92.9% — above the national vehicle OOS average of ~21%. Review BASICS scores below.

Crash History

Crash Records

All-time

Total

Fatal

Injuries

Tow-Away

1 crash recorded. Low count, but crash data should always be reviewed alongside inspection history.

Other Carriers in Sumner, WA

View all carriers in Sumner, WA →

More Carriers in Washington

View all carriers in Washington →

Largest Trucking Companies →Safest Trucking Companies →

Carrier Insight

Petersen Brothers Inc is a medium-sized motor carrier operating in Washington. With 14 total inspections on record, the carrier has an out-of-service rate of 92.9%, which exceeds the national average of approximately 21%. 1 crash has been reported. Review crash details alongside fleet size and inspection history before making hiring decisions.

Petersen Brothers Inc has not received a formal safety rating from the FMCSA. This is common for smaller or newer carriers and does not necessarily indicate a safety problem.

The company operates 76 power units and employs 33 drivers. This is a mid-sized operation relative to the broader carrier market.

Frequently Asked Questions

What is USDOT Number 856431?

USDOT number 856431 is assigned to Petersen Brothers Inc, an active motor carrier registered with the FMCSA, based in Sumner, WA.

How many inspections has Petersen Brothers Inc had?

Petersen Brothers Inc has recorded 14 total inspections with 13 out-of-service orders, representing an OOS rate of 92.86%.

Where is Petersen Brothers Inc located?

Petersen Brothers Inc is headquartered at 2008 E Valley Highway E, Sumner, WA 98390-9579.

What does "Not Rated" mean?

"Not Rated" means the FMCSA has not conducted a formal compliance review for this carrier. It does not indicate a safety problem — many active carriers operate without a formal rating.

Is zero crashes always a good sign?

Generally yes, but context matters. A carrier with zero crashes and very few inspections may simply have limited road exposure. Always review crash data alongside inspection volume and fleet size.

What is a normal OOS rate?

The national average vehicle out-of-service rate is approximately 21%. Driver OOS averages around 5%. Rates significantly above these thresholds may indicate recurring compliance issues.

How often is FMCSA data updated?

FMCSA publishes updated carrier data monthly. This page reflects the most recent available snapshot, updated on the date shown above.

What is the MC number for Petersen Brothers Inc?

The MC number for Petersen Brothers Inc is MC# 380585. The MC number is issued by the FMCSA and authorizes carriers to operate in interstate commerce.

Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 856431 · Last updated: 2026-03-09. View official FMCSA record →

Petersen Brothers Inc (DOT# 856431 · MC# 380585) – FMCSA Carrier Profile