WB PERALTA SCALE

Roadside inspection site in California • 3,064 inspections on record

High OOS Rate: 39.3%
Total Inspections
3,064
OOS Rate
39.3%
OOS Inspections
1,204
Unique Carriers
2,317
HazMat Inspections
0
Avg Violations
2.4
Name
WB PERALTA SCALE
State
California (CA)
Facility Type
Total Inspections
3,064
OOS Rate
39.3%
Active Since
Jan 1, 2020
Latest Inspection
Apr 3, 2026

About This Inspection Site

WB PERALTA SCALE 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 3,064 recorded inspections from Jan 1, 2020 to Apr 3, 2026.

A total of 2,317 unique carriers have been inspected at this site. The average number of violations per inspection is 2.4. The out-of-service rate is 39.3%, meaning a significant portion 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 lamps (Vehicle Maintenance) with 655 citations, followed by Operating a CMV while ill or fatigued (597 citations). A total of 100 distinct violation codes have been cited at this location.

Inspection Level Breakdown

3,064 inspections by CVSA level

Top Violations

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

#CodeDescriptionBASIC CategoryCitationsOOSOOS %
1393.9(a)Inoperable required lampsVehicle Maintenance65510816.5%
2392.2Operating a CMV while ill or fatiguedUnsafe Driving59730.5%
3396.3(a)(1)Inspection/repair/maintenance - generalVehicle Maintenance50214528.9%
4392.2-SLLSROperating a CMV while ill or fatiguedUnsafe Driving2150
5393.75(a)(3)Tire-flat and/or audible air leakVehicle Maintenance207207100.0%
6393.75A3-TAOLTires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATISVehicle Maintenance195195100.0%
7393.47ESlack adjuster defectiveVehicle Maintenance1720
8392.2-SLLSOAOperating a CMV while ill or fatiguedUnsafe Driving1490
9393.11Lighting devices/reflectorsVehicle Maintenance1280
10396.3A1-ALBVAir Brake - Any leak from a brake valveVehicle Maintenance12710.8%
11393.45(b)(2)Brake tubing/hoses inadequateVehicle Maintenance12643.2%
12393.95(a)Emergency equipment - fire extinguisher missing/defectiveVehicle Maintenance1090
13396.3A1-BALACBrake - Audible air leak from a brake chamberVehicle Maintenance10265.9%
14393.9A-LFTSIInoperable required lampsVehicle Maintenance1010
15393.45D-BBrake tubing/hoses inadequateVehicle Maintenance9822.0%
16396.3A1-BOSBRAKES OUT OF SERVICE: The number of defective brakes is equal to or greater than 20 percent of the service brakes on the vehicle or combinationVehicle Maintenance9898100.0%
17393.45Brake tubing/hoses inadequateVehicle Maintenance9191100.0%
18393.9A-LSMLInoperable required lampsVehicle Maintenance830
19393.45B2-B-AIRBrake tubing/hoses inadequateVehicle Maintenance800
20393.47(e)Slack adjuster defectiveVehicle Maintenance800
21393.9A-LHLIInoperable required lampsVehicle Maintenance730
22393.95A4-EEUSEmergency Equipment - Fire Extinguishers - unsecuredVehicle Maintenance670
23393.53(b)Steering system components wornVehicle Maintenance650
24393.45(d)Brake tubing/hoses inadequateVehicle Maintenance6411.6%
25393.9A-LCLInoperable required lampsVehicle Maintenance620
26392.2-SLLEWA1Operating a CMV while ill or fatiguedUnsafe Driving610
27390.21T(b)390.21T(b)General/Admin600
28393.95A1Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated.Vehicle Maintenance590
29393.53B-BSteering system components wornVehicle Maintenance580
30393.100B-CCargo securement - aggregate working loadVehicle Maintenance585798.3%
31393.48(a)Inoperative/defective brakesVehicle Maintenance58915.5%
32392.2-SLLEQPOperating a CMV while ill or fatiguedUnsafe Driving570
33393.75C-TAOTD-LT2/32Tire tread depth insufficient (other axles)Vehicle Maintenance550
34390.21T(a)390.21T(a)General/Admin530
35393.75(a)(1)Tire-ply or belt material exposedVehicle Maintenance514282.4%
36396.5B-LFuel system leakVehicle Maintenance510
37393.9A-LTSIInoperable required lampsVehicle Maintenance4949100.0%
38393.95FEmergency Equipment - Stopped vehicle warning devices missing or improperVehicle Maintenance480
39393.75(c)Tire tread depth insufficient (other axles)Vehicle Maintenance4636.5%
40393.207A-SAPPCBLMSuspension defectiveVehicle Maintenance420
41393.95(f)Emergency Equipment - Stopped vehicle warning devices missing or improperVehicle Maintenance410
42396.5(b)Fuel system leakVehicle Maintenance410
43393.45B2-BHTDBrake tubing/hoses inadequateVehicle Maintenance383181.6%
44390.19B2-BIENNIAL390.19B2-BIENNIALGeneral/Admin380
45393.60(d)Glazing/window obstructionsVehicle Maintenance370
46393.207(a)Suspension defectiveVehicle Maintenance371848.6%
47392.2-SLLUCROperating a CMV while ill or fatiguedUnsafe Driving360
48393.9A-LLPLInoperable required lampsVehicle Maintenance360
49392.2-SLLEDOperating a CMV while ill or fatiguedUnsafe Driving350
50391.41(a)Physical qualification - generalDriver Fitness332266.7%
Showing 150 of 100

Top Carriers Inspected

20 most frequently inspected carriers at this site

Recent Inspections

3,064 inspections at this site (page 1 of 123)

Data sources & freshness

FMCSA Vehicle Inspection File
Updated 1 weeks ago