3B Infrastructure Services LLC (USDOT 4230719)
MonitorFindings
1 fatal crash on FMCSA record in last 24 months
Authority was revoked and later reinstated (revoked 1 year ago; reinstated 95 days later). Active since Sep 19, 2025.
46.67% vehicle OOS over 15 inspections vs. national average 22.92%
Vehicle maintenance ranks 90 of 100 among similar carriers with recent violations (higher = worse). fleetfax peer estimate, not an official CSA score.
- DOT number
- USDOT 4230719
- Docket (MC) number
- MC1636765
- Operating authority
- Common carrier authority: active. The federal bulk file showed this carrier's USDOT registration active as of Sep 13, 2026. We could not confirm that live just now.
- Authority granted
- May 17, 2024
- Insurance on file
- Liability (BIPD) insurance on file for $1,000,000.
- Safety rating
- No published safety rating
- Fleet on file
- 20 power units, 22 drivers
- Operation type
- Interstate
- Physical address
- 340 HIGHWAY 326 NORTH, SOUR LAKE, TX 77659
- MCS-150 last filed
- Oct 2025
Frequently asked questions
What carrier is DOT 4230719?
DOT 4230719 (USDOT 4230719) is 3B Infrastructure Services LLC, an interstate motor carrier.
What carrier is MC 1636765?
MC 1636765 is the docket number of 3B Infrastructure Services LLC, USDOT 4230719.
What is 3B Infrastructure Services LLC's MC number?
3B Infrastructure Services LLC's docket number is MC 1636765. Its USDOT number is 4230719.
Is 3B Infrastructure Services LLC currently authorized to operate?
Common carrier authority: active. The federal bulk file showed this carrier's USDOT registration active as of Sep 13, 2026. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does 3B Infrastructure Services LLC have insurance on file with FMCSA?
Liability (BIPD) insurance on file for $1,000,000.
Who provides 3B Infrastructure Services LLC's insurance?
3B Infrastructure Services LLC's liability insurance is filed with FMCSA by Allied World Insurance Company.
What is 3B Infrastructure Services LLC's safety record?
In the last 24 months, FMCSA records show a 46.7% vehicle out-of-service rate for 3B Infrastructure Services LLC, from 7 of 15 vehicle inspections, against a national average of 22.9% (fleetfax-computed from FMCSA inspections, as of Sep 10, 2026). FMCSA records also show 4 recordable crashes in the same window.
What is 3B Infrastructure Services LLC's CSA score?
FMCSA does not publish a single CSA score for carriers. 3B Infrastructure Services LLC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is 3B Infrastructure Services LLC's FMCSA safety rating?
3B Infrastructure Services LLC 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.
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View the full fleetfax report for 3B Infrastructure Services LLC
Carriers based in Sour Lake, TX
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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Sep 13, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status