Mason Trucking Co Inc (DOT# 573036 · MC# 277792) – FMCSA Carrier Profile
DOT# 573036MC# 277792● Active
Updated monthly · 2026-03-09
This carrier is active with a Satisfactory safety rating.
Mason Trucking Co Inc is a registered motor carrier with the FMCSA under USDOT number 573036. The company operates from Aberdeen, WA and maintains an active operating status with 18 power units and 18 drivers on record.
Safety Rating
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Company Information
Address200 Myrtle Street, Aberdeen, WA, 98520
Phone(360) 537-4647
Entity TypeAuthorized For Hire
OperationInterstate
Power Units18(Medium carrier)
Drivers18
MCS-150 FiledDecember 17, 2025
Annual Mileage156,453 mi (2024)
Inspection Summary
All-time Inspections
All-time41
Total
27
OOS
1
Driver OOS
26
Vehicle OOS
41 inspections reflects moderate road activity.
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. 65.9% — above the national vehicle OOS average of ~21%. Review BASICS scores below.
Crash History
Crash Records
All-time4
Total
0
Fatal
2
Injuries
0
Tow-Away
4 crashes on record. This is within a common range for active carriers — assess relative to fleet size and inspection volume.
BASICS Safety Scores
BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories1.6
Unsafe Driving
Measures violations related to speeding, reckless driving, and improper lane changes.
0.0
HOS Compliance
Tracks hours-of-service violations, including driving beyond legal limits without rest.
0.2
Driver Fitness
Reflects issues with driver qualifications, licenses, and medical certifications.
0.0
Controlled Substances
Captures drug and alcohol violations, including failed or refused tests.
9.7
Vehicle Maintenance
Reflects brake, tire, lighting, and other equipment-related inspection violations.
Scores above 65 (general freight) or 50 (passenger/hazmat) trigger an FMCSA Alert. Higher scores indicate more safety risk. National median is approximately 20–30 for active carriers.
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Frequently Asked Questions
What is USDOT Number 573036?
USDOT number 573036 is assigned to Mason Trucking Co Inc, an active motor carrier registered with the FMCSA, based in Aberdeen, WA.
What is the safety rating of Mason Trucking Co Inc?
Mason Trucking Co Inc has a safety rating of Satisfactory as of September 3, 2003.
How many inspections has Mason Trucking Co Inc had?
Mason Trucking Co Inc has recorded 41 total inspections with 27 out-of-service orders, representing an OOS rate of 65.85%.
Where is Mason Trucking Co Inc located?
Mason Trucking Co Inc is headquartered at 200 Myrtle Street, Aberdeen, WA 98520.
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 Mason Trucking Co Inc?
The MC number for Mason Trucking Co Inc is MC# 277792. 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# 573036 · Last updated: 2026-03-09. View official FMCSA record →