RIALTO

Roadside inspection site in California • 780 inspections on record

OOS Rate: 20.5%
Total Inspections
780
OOS Rate
20.5%
OOS Inspections
160
Unique Carriers
434
HazMat Inspections
0
Avg Violations
1.4
Name
RIALTO
State
California (CA)
Facility Type
Total Inspections
780
OOS Rate
20.5%
Active Since
Jan 1, 2020
Latest Inspection
Mar 26, 2026

About This Inspection Site

RIALTO is a roadside inspection location in California where FMCSA-certified inspectors conduct safety inspections of commercial motor vehicles under the Motor Carrier Safety Assistance Program (MCSAP). This site has conducted 780 recorded inspections from Jan 1, 2020 to Mar 26, 2026.

A total of 434 unique carriers have been inspected at this site. The average number of violations per inspection is 1.4. The out-of-service rate is 20.5%, 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 129 citations, followed by Operating a CMV while ill or fatigued (107 citations). A total of 100 distinct violation codes have been cited at this location.

Inspection Level Breakdown

780 inspections by CVSA level

Top Violations

100 violation codes cited at this site (page 1 of 2)

#CodeDescriptionBASIC CategoryCitationsOOSOOS %
1392.2Operating a CMV while ill or fatiguedUnsafe Driving1290
2392.2-SLLEQPOperating a CMV while ill or fatiguedUnsafe Driving1070
3392.2-SLLSROperating a CMV while ill or fatiguedUnsafe Driving870
4392.2-SLLSOAOperating a CMV while ill or fatiguedUnsafe Driving6411.6%
5393.9(a)Inoperable required lampsVehicle Maintenance34926.5%
6393.75A3-TAOLTires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATISVehicle Maintenance2626100.0%
7393.9A-LILInoperable required lampsVehicle Maintenance250
8393.95FEmergency Equipment - Stopped vehicle warning devices missing or improperVehicle Maintenance200
9393.95A1Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated.Vehicle Maintenance200
10396.3(a)(1)Inspection/repair/maintenance - generalVehicle Maintenance181161.1%
11393.9A-LCLInoperable required lampsVehicle Maintenance180
12393.75(a)(3)Tire-flat and/or audible air leakVehicle Maintenance1616100.0%
13393.9A-LFTSIInoperable required lampsVehicle Maintenance140
14392.2-SLLLROperating a CMV while ill or fatiguedUnsafe Driving140
15392.2-SLLSIVOperating a CMV while ill or fatiguedUnsafe Driving130
16393.47ESlack adjuster defectiveVehicle Maintenance130
17393.95A4-EEUSEmergency Equipment - Fire Extinguishers - unsecuredVehicle Maintenance120
18393.41-BNPBBrake - Inoperative or missing parking brake on power unitVehicle Maintenance111090.9%
19383.23A2-LCDLNLicense (CDL) - Operate a CMV and does not possess a valid CDLDriver Fitness10880.0%
20392.2-SLLS3Speeding 11-14 mph over limitUnsafe Driving100
21390.21T(b)390.21T(b)General/Admin100
22392.2-SLLDLOperating a CMV while ill or fatiguedUnsafe Driving10220.0%
23393.75A3-TAOLTISTires - All others leaking in tread area and inflation less than 50% of the maximum inflation pressure on tire equipped with ATISVehicle Maintenance99100.0%
24393.9A-LSLIInoperable required lampsVehicle Maintenance90
25393.134B-CRHLCCargo securement - large bouldersVehicle Maintenance99100.0%
26393.9A-LTSIInoperable required lampsVehicle Maintenance99100.0%
27392.2-SLLS4Speeding 15+ mph over limitUnsafe Driving90
28392.2-SLLOperating a CMV while ill or fatiguedUnsafe Driving80
29390.21TB1-MC390.21TB1-MCGeneral/Admin80
30393.11Lighting devices/reflectorsVehicle Maintenance80
31393.45(b)(2)Brake tubing/hoses inadequateVehicle Maintenance8675.0%
32390.21TB2-DOT390.21TB2-DOTGeneral/Admin80
33391.11B4Medical (Certificate) - Operating a CDL (passenger or property carrying) vehicle that is non-excepted and the driver has self-certified as excepted interstate orDriver Fitness88100.0%
34393.45B2-BHTDBrake tubing/hoses inadequateVehicle Maintenance77100.0%
35390.21T(a)390.21T(a)General/Admin70
36395.8(e)(1)395.8(e)(1)Hours of Service7228.6%
37393.9A-LHLIInoperable required lampsVehicle Maintenance70
38392.9A2-CCargo - Vehicle components or dunnage not securedUnsafe Driving7685.7%
39392.2-SLLMFOperating a CMV while ill or fatiguedUnsafe Driving70
40393.53BSteering system components wornVehicle Maintenance60
41393.9A-LRLIInoperable required lampsVehicle Maintenance60
42393.81Horn inoperableVehicle Maintenance60
43393.45D-BAALBrake tubing/hoses inadequateVehicle Maintenance6350.0%
44393.81-HHorn inoperableVehicle Maintenance60
45393.47(e)Slack adjuster defectiveVehicle Maintenance60
46393.11A1-LHLMLighting devices/reflectorsVehicle Maintenance60
47396.7Unsafe operations forbiddenVehicle Maintenance50
48393.75(c)Tire tread depth insufficient (other axles)Vehicle Maintenance5240.0%
49393.11A1-LRRLighting devices/reflectorsVehicle Maintenance50
50393.60(d)Glazing/window obstructionsVehicle Maintenance50
Showing 150 of 100

Top Carriers Inspected

20 most frequently inspected carriers at this site

Recent Inspections

780 inspections at this site (page 1 of 32)

Data sources & freshness

FMCSA Vehicle Inspection File
Updated 1 weeks ago