DBA: B-Rock Xpress
William B Muir is an active interstate carrier based in South Pittsburg, TN.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 2 | 0 | 0 |
| Tractors | 2 | 0 | 0 |
| Total Power Units | 2 | ||
Distinct vehicles · 24 mo
vs 2 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 99% | 100% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 2 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 1 state. Top state AL accounts for 100% of activity. Activity outside home state (TN): 100%.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 4 | 3 | 2 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Apr 24, 2025 | AL | TRUCK TRACTOR | 4 | 2 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Apr 24, 2025 | 39355C2B | Air Brake - CMV other than truck-tractor manufactured on or after March 1 1998 not equipped with an antilock brake system. System does not function or indicates | Vehicle Maintenance |
A-M-I Llc
No alertsSouth Pittsburg, TN · 2 units
Atomic Fireworks Of Tennessee Inc
No alertsSouth Pittsburg, TN · 3 units
Bacon Heavy Equipment Service & Repair Llc
No alertsSouth Pittsburg, TN · 1 units
Battle Creek Milling & Supply Inc
No alertsSouth Pittsburg, TN · 1 units
B & C Towing & Recovery
No alertsSouth Pittsburg, TN · 2 units
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 1 | 30.00 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| — |
| Apr 24, 2025 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Apr 24, 2025 | 39375CTAOTDLT132 | Tires - Less than 1/32 inch tread depth at 3 locations/2 adjacent tread grooves | Vehicle Maintenance | Yes |
| Apr 24, 2025 | 39375CTAOTDLT232 | Tires - Less than 2/32 inch tread depth | Vehicle Maintenance | — |