FM 521
Roadside inspection site in Texas • 112 inspections on record
About This Inspection Site
FM 521 is a roadside inspection location in Texas where FMCSA-certified inspectors conduct safety inspections of commercial motor vehicles under the Motor Carrier Safety Assistance Program (MCSAP). This site has conducted 112 recorded inspections from Jan 1, 2020 to Mar 30, 2026.
A total of 93 unique carriers have been inspected at this site. The average number of violations per inspection is 2.9. The out-of-service rate is 24.1%, 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 Inoperable Required Lamp (Vehicle Maintenance) with 43 citations, followed by Inoperable required lamps (28 citations). A total of 58 distinct violation codes have been cited at this location.
Inspection Level Breakdown
112 inspections by CVSA level
Top Violations
58 violation codes cited at this site (page 1 of 2)
| # | Code | Description | BASIC Category | Citations | OOS | OOS % |
|---|---|---|---|---|---|---|
| 1 | 393.9 | Inoperable Required Lamp | Vehicle Maintenance | 43 | 1 | 2.3% |
| 2 | 393.9(a) | Inoperable required lamps | Vehicle Maintenance | 28 | 1 | 3.6% |
| 3 | 392.2 | Operating a CMV while ill or fatigued | Unsafe Driving | 25 | 0 | — |
| 4 | 393.78 | Windshield condition defective | Vehicle Maintenance | 21 | 0 | — |
| 5 | 393.75(c) | Tire tread depth insufficient (other axles) | Vehicle Maintenance | 18 | 2 | 11.1% |
| 6 | 393.95(b) | Emergency equipment - warning devices missing | Vehicle Maintenance | 11 | 0 | — |
| 7 | 396.17(c) | No proof of periodic inspection | Vehicle Maintenance | 11 | 0 | — |
| 8 | 393.75C | Tire tread depth insufficient (other axles) | Vehicle Maintenance | 10 | 3 | 30.0% |
| 9 | 396.17C | No proof of periodic inspection | Vehicle Maintenance | 8 | 0 | — |
| 10 | 393.9TS | Inoperative turn signal | Vehicle Maintenance | 7 | 1 | 14.3% |
| 11 | 392.2RG | Operating a CMV while ill or fatigued | Unsafe Driving | 7 | 0 | — |
| 12 | 393.95A | Emergency equipment - fire extinguisher missing/defective | Vehicle Maintenance | 7 | 0 | — |
| 13 | 393.83(g) | Exhaust - Discharging at a point forward or directly below the driver or sleeper compartment | Vehicle Maintenance | 7 | 0 | — |
| 14 | 390.21(a) | Vehicle marking requirements | General/Admin | 6 | 0 | — |
| 15 | 393.95(a) | Emergency equipment - fire extinguisher missing/defective | Vehicle Maintenance | 6 | 0 | — |
| 16 | 393.60C | Glazing/window obstructions | Vehicle Maintenance | 6 | 0 | — |
| 17 | 383.23(a)(2) | CDL - wrong class | Driver Fitness | 5 | 4 | 80.0% |
| 18 | 393.55(a) | Coupling device/towing methods defective | Vehicle Maintenance | 5 | 0 | — |
| 19 | 393.134 | Cargo securement - large boulders | Vehicle Maintenance | 5 | 5 | 100.0% |
| 20 | 396.5(b) | Fuel system leak | Vehicle Maintenance | 5 | 0 | — |
| 21 | 393.60(c) | Glazing/window obstructions | Vehicle Maintenance | 4 | 0 | — |
| 22 | 393.55C1 | Coupling device/towing methods defective | Vehicle Maintenance | 4 | 0 | — |
| 23 | 393.83G | Exhaust - Discharging at a point forward or directly below the driver or sleeper compartment | Vehicle Maintenance | 4 | 0 | — |
| 24 | 393.11 | Lighting devices/reflectors | Vehicle Maintenance | 4 | 1 | 25.0% |
| 25 | 391.49(j) | No valid medical waiver in drivers possession | Driver Fitness | 4 | 0 | — |
| 26 | 393.75(g) | 393.75(g) | Vehicle Maintenance | 3 | 2 | 66.7% |
| 27 | 393.9H | Inoperable head lamps | Vehicle Maintenance | 3 | 0 | — |
| 28 | 383.23A2 | Operating a CMV without a CDL | Driver Fitness | 3 | 3 | 100.0% |
| 29 | 393.95(f) | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | 3 | 0 | — |
| 30 | 393.79 | Defroster/Defogger - Inoperative or defective | Vehicle Maintenance | 3 | 0 | — |
| 31 | 393.41 | No or defective parking brake system on CMV | Vehicle Maintenance | 3 | 3 | 100.0% |
| 32 | 393.203C | Hood not securely fastened | Vehicle Maintenance | 3 | 0 | — |
| 33 | 390.21(c) | 390.21(c) | General/Admin | 3 | 0 | — |
| 34 | 393.82 | Rear vision mirrors defective/missing | Vehicle Maintenance | 2 | 0 | — |
| 35 | 393.30 | Battery improperly secured | Vehicle Maintenance | 2 | 0 | — |
| 36 | 392.2W | Operating a CMV while ill or fatigued | Unsafe Driving | 2 | 0 | — |
| 37 | 393.43(d) | Brake - relay emergency valve | Vehicle Maintenance | 2 | 2 | 100.0% |
| 38 | 393.95F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | 2 | 0 | — |
| 39 | 393.75G-LOAD | Weight carried exceeds tire load limit | Vehicle Maintenance | 2 | 1 | 50.0% |
| 40 | 393.9T | Inoperable tail lamp | Vehicle Maintenance | 2 | 0 | — |
| 41 | 391.41APC | Medical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency | Driver Fitness | 2 | 2 | 100.0% |
| 42 | 393.51 | Steering wheel free play excessive | Vehicle Maintenance | 2 | 2 | 100.0% |
| 43 | 393.11N | Lighting devices/reflectors | Vehicle Maintenance | 1 | 0 | — |
| 44 | 393.55A | Coupling device/towing methods defective | Vehicle Maintenance | 1 | 0 | — |
| 45 | 172.602C1 | Maintenance/accessibility of Emergency Response information | Hazardous Materials | 1 | 0 | — |
| 46 | 393.209E | Power steering violations | Vehicle Maintenance | 1 | 0 | — |
| 47 | 393.75B | Tire tread depth insufficient (steer) | Vehicle Maintenance | 1 | 1 | 100.0% |
| 48 | 396.3A1-TC | Tire in contact with another part of the vehicle | Vehicle Maintenance | 1 | 1 | 100.0% |
| 49 | 172.402(a) | No label for subsidiary hazard | Hazardous Materials | 1 | 0 | — |
| 50 | 172.602(c)(1) | Maintenance/accessibility of Emergency Response information | Hazardous Materials | 1 | 0 | — |
Top Carriers Inspected
20 most frequently inspected carriers at this site
| # | Carrier | USDOT | State | Inspections |
|---|---|---|---|---|
| 1 | WASTE CONNECTIONS OF TEXAS LLC | 1944210 | TX | 4 |
| 2 | WASTE MANAGEMENT OF TEXAS INC | 386083 | TX | 3 |
| 3 | CITY WASTE LP | 985245 | TX | 3 |
| 4 | R MIRANDA TRUCKING & CONSTRUCTION LLC | 1800894 | TX | 3 |
| 5 | J PEREZ INVESTMENTS LLC | 2428493 | TX | 2 |
| 6 | TEXAS PRIDE DISPOSAL SOLUTIONS LLC | 2425588 | TX | 2 |
| 7 | BEST TRASH LLC | 1954769 | TX | 2 |
| 8 | CARLOS ROBLES | 2160215 | TX | 2 |
| 9 | REPUBLIC WASTE SERVICES OF TEXAS LTD | 772407 | AZ | 2 |
| 10 | AHF ABEL TRUCKING LLC | 2094356 | TX | 2 |
| 11 | HAUL BROOKE INC | 1984554 | TX | 2 |
| 12 | KM SORTO HAULING LLC | 4260632 | TX | 2 |
| 13 | J M G CONSTRUCTION INC | 2049821 | TX | 2 |
| 14 | REPUBLIC INDUSTRIAL AND ENERGY SOLUTIONS LLC | 2982886 | TX | 2 |
| 15 | JOSE MANUEL JR AGUIRRE | 3769762 | TX | 1 |
| 16 | O GARZA TRUCKING LLC | 1948120 | TX | 1 |
| 17 | OMARO CALIXTRO | 4280390 | TX | 1 |
| 18 | FELIX ALEXANDER ALARCON | 2974865 | TX | 1 |
| 19 | FELIPE E GARZA | 2138549 | TX | 1 |
| 20 | EXPRESS DUMP TRUCK SERVICES OF HOUSTON LLC | 3184492 | TX | 1 |
Recent Inspections
112 inspections at this site (page 1 of 5)