WATERLOO
Roadside inspection site in Oklahoma • 20 inspections on record
About This Inspection Site
WATERLOO is a roadside inspection location in Oklahoma where FMCSA-certified inspectors conduct safety inspections of commercial motor vehicles under the Motor Carrier Safety Assistance Program (MCSAP). This site has conducted 20 recorded inspections from Jan 1, 2020 to Dec 8, 2025.
A total of 18 unique carriers have been inspected at this site. The average number of violations per inspection is 1.1. The out-of-service rate is 15.0%, meaning a moderate number of inspected vehicles or drivers are placed out of service for safety deficiencies.
Inspections follow CVSA (Commercial Vehicle Safety Alliance) North American Standard procedures and may include weight checks, credential verification, mechanical inspection, hours-of-service compliance review, and hazardous materials documentation checks. Vehicles or drivers that fail critical safety criteria are placed out of service until deficiencies are corrected.
The most frequently cited violation at this site is Operating a CMV while ill or fatigued (Unsafe Driving) with 6 citations, followed by 393.75(g) (3 citations). A total of 15 distinct violation codes have been cited at this location.
Inspection Level Breakdown
20 inspections by CVSA level
Top Violations
15 violation codes cited at this site (page 1 of 1)
| # | Code | Description | BASIC Category | Citations | OOS | OOS % |
|---|---|---|---|---|---|---|
| 1 | 392.2 | Operating a CMV while ill or fatigued | Unsafe Driving | 6 | 0 | — |
| 2 | 393.75(g) | 393.75(g) | Vehicle Maintenance | 3 | 3 | 100.0% |
| 3 | 393.78A-WS | Windshield condition defective | Vehicle Maintenance | 1 | 0 | — |
| 4 | 393.53(b) | Steering system components worn | Vehicle Maintenance | 1 | 0 | — |
| 5 | 393.9A-LTSI | Inoperable required lamps | Vehicle Maintenance | 1 | 1 | 100.0% |
| 6 | 396.17C-PI | No proof of periodic inspection | Vehicle Maintenance | 1 | 0 | — |
| 7 | 396.17(c) | No proof of periodic inspection | Vehicle Maintenance | 1 | 0 | — |
| 8 | 393.95A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | 1 | 0 | — |
| 9 | 392.2-SLLS2 | Speeding 6-10 mph over limit | Unsafe Driving | 1 | 0 | — |
| 10 | 393.95(a) | Emergency equipment - fire extinguisher missing/defective | Vehicle Maintenance | 1 | 0 | — |
| 11 | 392.16AD | Failing to use seat belt (49 CFR) | Unsafe Driving | 1 | 0 | — |
| 12 | 396.9(d)(2) | Failure to correct defects noted on previous inspection report | Vehicle Maintenance | 1 | 0 | — |
| 13 | 393.78 | Windshield condition defective | Vehicle Maintenance | 1 | 0 | — |
| 14 | 393.47(e) | Slack adjuster defective | Vehicle Maintenance | 1 | 0 | — |
| 15 | 392.2-SLLED | Operating a CMV while ill or fatigued | Unsafe Driving | 1 | 0 | — |
Top Carriers Inspected
18 most frequently inspected carriers at this site
| # | Carrier | USDOT | State | Inspections |
|---|---|---|---|---|
| 1 | K B SAND INC | 1851039 | OK | 3 |
| 2 | KUDRON READY MIX INC | 1392581 | OK | 1 |
| 3 | GONZO'S TRUCKING INC | 2941768 | OK | 1 |
| 4 | DALE BROWN INC | 653828 | OK | 1 |
| 5 | A&G QUATRO TRUCKING LLC | 3092433 | OK | 1 |
| 6 | GENERAL UNDERGROUND CONSTRUCTION INC | 2100909 | OK | 1 |
| 7 | C C NARANJO TRUCKING LLC | 2975527 | OK | 1 |
| 8 | JSM TRUCKING LLC | 3030729 | OK | 1 |
| 9 | AMERIGAS PROPANE LP | 388004 | PA | 1 |
| 10 | NUCO2 SUPPLY LLC | 578807 | FL | 1 |
| 11 | PINNEY TRUCKING LLC | 1753538 | OK | 1 |
| 12 | BUTLER BROTHERS SAND & GRAVEL INC | 747797 | OK | 1 |
| 13 | MYRNA CALZADA | 3838149 | OK | 1 |
| 14 | RICO TRUCKING LLC | 2390341 | OK | 1 |
| 15 | STEVEN PAUL ROTHER TRUCKING LLC | 3446619 | OK | 1 |
| 16 | WARREN POWER & MACHINERY INC | 1020540 | TX | 1 |
| 17 | CROSSFIRE CONSTRUCTION LLC | 4269974 | OK | 1 |
| 18 | AMZ TRUCKING LLC | 4087759 | OK | 1 |
Recent Inspections
20 inspections at this site (page 1 of 1)