Preview 448,956 motor carriers — every carrier FMCSA lists as active with at least one power unit, plus carriers whose registration went inactive within the last three years (inferred from MCS-150 filing dates). The full load is in progress, so this is how far it has got. Sourced from the FMCSA Motor Carrier Census. Data as of 2026-09-21.

WILLIAM B MUIR

Doing business as B-ROCK XPRESS

USDOT 1174860
USDOT registration Active

Operating authority — FMCSA publishes no current status for this carrier. See FMCSA’s record.

Safety rating Not rated no compliance review on file
Hazardous materials No
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Insurance and operating authority

Required and on-file BI&PD liability amounts, cargo and surety bond filings, and the operating authorities this carrier holds.

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No roadside inspections or annual mileage on file, which is not enough data to compare with other carriers. That is normal for a small or recently registered carrier.

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Carrier details
Fleet and drivers
Power units
2
Trucks
2
Buses
0
Drivers
1
Drivers holding a CDL
1
What they run
Cargo authorised to carry
Operating range
Interstate, within 100 miles
Carrier operation
Interstate
Operation classification
AUTHORIZED FOR HIRE;EXEMPT FOR HIRE
Annual mileage reported
55,000
Mileage year
2024
Registration
First on file
2003-10-09
Carrier last updated its record
2025-04-03
City
SOUTH PITTSBURG
State
TN
ZIP
37380

More carriers in South Pittsburg, TN

Data as of 2026-09-21 · The official FMCSA record · About this data