William B Muir (USDOT 1174860)
No blockers or cautions found.
- DOT number
- USDOT 1174860
- Operating authority
- No active operating authority on file with FMCSA. The federal bulk file showed this carrier active as of 2026-08-30. We could not confirm that live just now.
- Insurance on file
- No active liability (BIPD) insurance on file with FMCSA.
- Safety rating
- No published safety rating
- Fleet on file
- 2 power units, 1 drivers
- Operation type
- Interstate
- Physical address
- 1300 HAMILTON AVE, SOUTH PITTSBURG, TN 37380
- MCS-150 last filed
- 2025-04
Frequently asked questions
What carrier is DOT 1174860?
DOT 1174860 (USDOT 1174860) is William B Muir, an interstate motor carrier.
What is William B Muir's USDOT number?
William B Muir's USDOT number is 1174860. No MC docket number is on file.
Is William B Muir currently authorized to operate?
No active operating authority on file with FMCSA. The federal bulk file showed this carrier active as of 2026-08-30. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does William B Muir have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is William B Muir's safety record?
In the last 24 months, FMCSA records show 1 of 1 vehicle inspection ending out-of-service for William B Muir, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.
What is William B Muir's CSA score?
FMCSA does not publish a single CSA score for carriers. William B Muir's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is William B Muir's FMCSA safety rating?
William B Muir 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
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Carriers based in South Pittsburg, TN
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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Aug 30, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status