3b Infrastructure Services Llc is an active interstate carrier based in Sour Lake, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 11 | 0 | 0 |
| Tractors | 9 | 0 | 0 |
| Trailers | 10 | 9 | 0 |
| Total Power Units | 20 | ||
Distinct vehicles · 24 mo
vs 20 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 | 75% | 93% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 91% | 94% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 95% | 92% | 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 | 2 | — | 6.67% |
| Vehicle | 0 | 14 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 0 | 1 | 1 |
| Oct 1, 2024 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 38 | 18 | 15 |
| Driver Fitness |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 10, 2026 | TX | STRAIGHT TRUCK | 1 | 0 |
| Feb 11, 2026 | LA | STRAIGHT TRUCK | 0 | 0 |
| Feb 10, 2026 | TX | STRAIGHT TRUCK | 4 | 1 |
| Feb 4, 2026 | LA | STRAIGHT TRUCK | 2 | 1 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.70 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 12 | 14.69 | — |
| Driver Fitness | 1 | 1.15 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state TX accounts for 77% of activity. Activity outside home state (TX): 23%.
| 1 |
| 1 |
| 1 |
| Unsafe Driving | 1 | 1 | 0 |
| Oct 24, 2025 | TX | TRUCK TRACTOR | 2 | 2 |
| Oct 15, 2025 | TX | TRUCK TRACTOR | 5 | 1 |
| Apr 4, 2025 | TX | TRUCK TRACTOR | 6 | 4 |
| Mar 3, 2025 | TX | TRUCK TRACTOR | 4 | 2 |
| Dec 21, 2024 | TX | TRUCK TRACTOR | 3 | 1 |
| Dec 17, 2024 | LA | TRUCK TRACTOR | 3 | 2 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 10, 2026 | 39351 | No or defective brake warning device or pressure gauge | Vehicle Maintenance | — |
| Feb 10, 2026 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Feb 10, 2026 | 3939T | Inoperable tail lamp | Vehicle Maintenance | — |
| Feb 10, 2026 | 3939TS | Inoperative turn signal | Vehicle Maintenance | Yes |
| Feb 10, 2026 | 39617C | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | — |
| Feb 4, 2026 | 38323A2LCDL | Endorsements - (CDL) - Operate a CMV without proper endorsements on operators license | Driver Fitness | Yes |
| Feb 4, 2026 | 3922SLLMF | State/Local Laws - Wheel (mud) flaps missing or defective | Vehicle Maintenance | — |
| Oct 24, 2025 | 39375A3 | Tire-flat and/or audible air leak | Vehicle Maintenance | Yes |
| Oct 24, 2025 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | Yes |
| Oct 15, 2025 | 39345DLPC | Brake Connections with Leaks - Connection to Power Unit | Vehicle Maintenance | — |