THIARA BROS EXPRESS INC

USDOT 2991154 • 1736 TRIFF WAY, YUBA CITY, CA, 95993-5158

ACTIVE
Authority:None on file
Insurance:None on file
BOC-3:Not on file
Safety Rating:Not rated
MCS-150:Never updated
OOS Orders:None

Overview

Company profile from FMCSA Census File

USDOT
2,991,154
Status
ACTIVE
Operation
Intrastate (Non-Hazmat)
Phone
5303017569
Power Units (MCS-150)
14
Drivers (MCS-150)
15
MCS-150 Mileage
756,000
Physical Address
1736 TRIFF WAY, YUBA CITY, CA, 95993-5158
Contact

Authority & Insurance

Operating authority, insurance filings, and BOC-3 status

Active Authority
0
Revoked / Inactive
0
Authority Types
0
Insurance Policies
None on file
BOC-3 Filing
Not on file

Operating Authority

fmcsa-authhistApr 5, 2026
No records found

No insurance filings found for this carrier in FMCSA records.

Check FMCSA SAFER for current insurance status

Safety & Inspections

SMS BASIC scores, inspection history, and out-of-service rates

SMS BASIC Scores

Driver Fitness
0%
Drugs / Alcohol
0%
Hours of Service
N/A
Unsafe Driving
25%
Vehicle Maintenance
8%

Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.

Inspections
47
Violations
90
15 OOS
Vehicle OOS %
19.1%
Driver OOS %
2.1%
Power Units (MCS-150)
14
Drivers (MCS-150)
15
Crash Records
0

Inspection Activity (24 months)

Monthly inspection counts with OOS months highlighted. Hover bars for details.

May
Jun
1
Jul
Aug
1
Sep
6
Oct
5
Nov
Dec
Jan
Feb
1
Mar
5
Apr
3
May
Jun
Jul
2
Aug
4
Sep
7
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Clean monthMonth with OOSBased on latest 47 of 47 inspection records

Inspection Activity Map

1 state47 inspections

🚛
None Low Medium High🚛 Home base

Violation Summary (90 violations from 47 inspections)

fmcsa-inspection-file
Violation Summary (90 violations from 47 inspections)
CodeDescription# Violations# OOSSeverity WtBASIC
FMCSR:392.2-SLLEQPOperating a CMV while ill or fatigued1108Unsafe Driving
FMCSR:393.75C-TAOTD-LT2/32Tire tread depth insufficient (other axles)705Vehicle Maintenance
FMCSR:392.2Operating a CMV while ill or fatigued708Unsafe Driving
FMCSR:393.75A3-TAOLTires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS55Vehicle Maintenance
FMCSR:393.9(a)Inoperable required lamps513Vehicle Maintenance
FMCSR:393.45B2-B-AIRBrake tubing/hoses inadequate417Vehicle Maintenance
FMCSR:392.2-SLLSROperating a CMV while ill or fatigued408Unsafe Driving
FMCSR:392.2-SLLS2Speeding 6-10 mph over limit305Unsafe Driving
FMCSR:393.11A1-LRRLighting devices/reflectors303Vehicle Maintenance
FMCSR:392.2-SLLOperating a CMV while ill or fatigued308Unsafe Driving
FMCSR:393.75(c)Tire tread depth insufficient (other axles)305Vehicle Maintenance
FMCSR:393.47ESlack adjuster defective207Vehicle Maintenance
FMCSR:393.53B-BSteering system components worn207Vehicle Maintenance
FMCSR:393.40A-BInadequate brakes208Vehicle Maintenance
FMCSR:396.3A1-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 combination22Vehicle Maintenance
FMCSR:393.9A-LFTSIInoperable required lamps203Vehicle Maintenance
FMCSR:393.95A1Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated.20Vehicle Maintenance
FMCSR:393.201A-FRBFCFrame - cracked/loose/broken228Vehicle Maintenance
FMCSR:393.11Lighting devices/reflectors203Vehicle Maintenance
FMCSR:393.95A4-EEUSEmergency Equipment - Fire Extinguishers - unsecured10Vehicle Maintenance
FMCSR:393.205A-WRBHWheel/rim defective117Vehicle Maintenance
FMCSR:393.45D-BAALBrake tubing/hoses inadequate107Vehicle Maintenance
FMCSR:393.205A-WRDCWheel/rim defective117Vehicle Maintenance
FMCSR:392.2-SLLMFOperating a CMV while ill or fatigued108Unsafe Driving
FMCSR:393.45B2-B-VACBrake tubing/hoses inadequate107Vehicle Maintenance
FMCSR:396.3A1-OALOther - Any air leak not attributed to the brake or suspension system.10Vehicle Maintenance
FMCSR:393.205C-WRWheel/Rim - Wheel fasteners loose/missing/ineffective/broken.11Vehicle Maintenance
FMCSR:392.2-SLLSIVOperating a CMV while ill or fatigued108Unsafe Driving
FMCSR:390.21TE-LCMVINFO390.21TE-LCMVINFO10General/Admin
FMCSR:393.207A-SAPPCBLMSuspension defective107Vehicle Maintenance
FMCSR:393.9A-LILInoperable required lamps103Vehicle Maintenance
FMCSR:393.11A1-CSLRRLighting devices/reflectors103Vehicle Maintenance
FMCSR:392.2-SLLTCDOperating a CMV while ill or fatigued108Unsafe Driving
FMCSR:393.9A-LSMLInoperable required lamps103Vehicle Maintenance
FMCSR:393.11A1-LSMLLighting devices/reflectors103Vehicle Maintenance
FMCSR:393.95A3Emergency Equipment - Fire Extinguishers - no visual indicator10Vehicle Maintenance
FMCSR:393.45(b)(2)Brake tubing/hoses inadequate107Vehicle Maintenance
FMCSR:391.41(a)Physical qualification - general117Driver Fitness

Peer Context

This carrier vs national averages. Lower is better for all metrics.

Vehicle OOS Rate
19.1%vs nat'l 23.4%
-4.3 pts below avg
Driver OOS Rate
2.1%vs nat'l 6.7%
-4.6 pts below avg
Violations / Inspection
1.91vs nat'l 1.80
+0.11 above avg

National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.

Inspection History (47 inspections)

fmcsa-inspectionsApr 5, 2026
Inspection History (47 inspections)
DateReport #StationStateLevelVehicleViolationsTop CodesOOS
Oct 22, 202586122493505 NB SR-16 OFFCALevel 2VOLV TRUCK TRACTOR0No
Oct 13, 202586072986SUTTERCALevel 5MACK TRUCK TRACTOR0No
Oct 13, 202586072983SUTTERCALevel 5MACK TRUCK TRACTOR4393.47E, 393.53B-B, 393.40A-BYes
Oct 13, 202586073452SUTTERCALevel 5STRI SEMI-TRAILER2393.9A-LFTSI, 392.2-SLLEQPNo
Oct 13, 202586072985SUTTERCALevel 5MACK TRUCK TRACTOR0No
Oct 13, 202586073453SUTTERCALevel 5FRUE SEMI-TRAILER6393.75A3-TAOL, 393.40A-B, 393.47EYes
Oct 13, 202586072984SUTTERCALevel 5MACK TRUCK TRACTOR2393.45B2-B-AIR, 393.95A1Yes
Sep 24, 202585883240SR-20 AT TOWNSHIP RDCALevel 2VOLV TRUCK TRACTOR1392.2-SLLEQPNo
Sep 16, 202585806372S/B SR-65 AT MCGOWAN PKWYCALevel 2MACK TRUCK TRACTOR4392.2-SLLEQP, 392.2-SLLS2, 393.95A1No
Sep 16, 202585793756S/B SR-65 AT FORTY MILE RDCALevel 2FRUE SEMI-TRAILER2392.2-SLLS2, 393.201A-FRBFCYes
Sep 4, 202585687140GEORGE WASHINGTON AT LINCOLNCALevel 2MACK TRUCK TRACTOR6393.11A1-LRR, 393.95A4-EEUS, 393.205A-WRBHYes
Aug 27, 202585625356UNINC. SUTTER COUNTYCALevel 4VOLV TRUCK TRACTOR2392.2-SLLSRNo
Aug 27, 202585612069UNINC. SUTTER COUNTYCALevel 4GALLY SEMI-TRAILER1392.2-SLLEQPNo
May 28, 202584806131RoadsideCALevel 3FRUE OTHER0No
May 21, 202584770517SUNSET BLVD AT SR-65CALevel 2FRUE SEMI-TRAILER5393.75A3-TAOL, 393.205A-WRDC, 392.2-SLLMFYes
May 12, 202584658767RoadsideCALevel 3CPS FULL TRAILER0No
Apr 30, 202584546974NELSONCALevel 2KW TRUCK TRACTOR1392.2-SLLEQPNo
Apr 29, 202584525237RoadsideCALevel 2MACK TRUCK TRACTOR4392.2-SLLEQP, 393.75C-TAOTD-LT2/32, 393.75A3-TAOLYes
Apr 28, 202584525332GRIDLEY,CACALevel 3VOLV TRUCK TRACTOR0No
Apr 22, 202584470764SR193 AT FERRARI RANCHCALevel 1MACK TRUCK TRACTOR4393.45B2-B-AIR, 396.3A1-OAL, 393.205C-WRYes
Apr 17, 202584432907AUBURN AREACALevel 2VOLV STRAIGHT TRUCK5392.2-SLLSR, 392.2-SLLSIV, 390.21TE-LCMVINFONo
Mar 7, 202584064355HAMMONTON RD/HAMMONTON SMARTSVCALevel 2GALA SEMI-TRAILER4393.75C-TAOTD-LT2/32, 393.9A-LFTSI, 393.9A-LILNo
Nov 27, 202483280146YUBA SUTTER OFFICECALevel 2MACK TRUCK TRACTOR1393.11A1-CSLRRNo
Nov 13, 202483149751SR-99 RIEGO OFFCALevel 2MACK TRUCK TRACTOR0No
Nov 13, 202483149047RIEGO RD E/OF SR-99CALevel 3MACK TRUCK TRACTOR0No
Nov 13, 202483149975SR-99 AT SR-113CALevel 3MACK TRUCK TRACTOR3392.2-SLLEQP, 392.2-SLLNo
Nov 13, 202483149642RoadsideCALevel 2FRUE SEMI-TRAILER2392.2-SLLTCD, 392.2-SLLEQPNo
Oct 25, 202483018948AUBURN AREACALevel 3VOLV TRUCK TRACTOR0No
Oct 24, 202483004851RoadsideCALevel 2FRUE SEMI-TRAILER5393.75C-TAOTD-LT2/32, 392.2-SLL, 393.9A-LSMLNo
Oct 15, 202482913989HAMMONTON RD/HAMMONTON SMARTSVCALevel 2FRUE SEMI-TRAILER5393.75(c), 393.9(a), 392.2No
Oct 15, 202482924234HAMMONTON RD/HAMMONTON SMARTSVCALevel 2ACE SEMI-TRAILER4393.75C-TAOTD-LT2/32, 393.11A1-LSMLNo
Oct 15, 202482923845RoadsideCALevel 3GALLY SEMI-TRAILER3392.2-SLLS2, 392.2-SLLEQP, 393.95A3No
Oct 10, 202482882675BOGUECALevel 2MACK TRUCK TRACTOR2393.9(a), 393.45(b)(2)No
Sep 25, 202482771540WOODLAND AREACALevel 2VOLV STRAIGHT TRUCK0No
Jul 18, 202482159016AUBURN AREACALevel 2MACK TRUCK TRACTOR1392.2No
Oct 26, 202380022731I-5 @ METRO PARKWAYCALevel 3MACK TRUCK TRACTOR0No
Sep 20, 202379724288CHP OFFICECALevel 3MACK TRUCK TRACTOR0No
Sep 11, 202379636737SR-65 AT EVERGREEN DRCALevel 3GALLY SEMI-TRAILER1392.2No
Aug 16, 202379448493YUBA-SUTTER AREACALevel 2FRUE SEMI-TRAILER3393.11, 392.2No
Jul 14, 202379152547AUBURN AREACALevel 3MACK TRUCK TRACTOR1392.2No
Jun 21, 202378952354CHP OFFICECALevel 3ACE FULL TRAILER0No
Jun 7, 202378837198CHP OFFICECALevel 3CPS SEMI-TRAILER0No
Jun 6, 202378825241METRO AIR PKWY AT 5CALevel 2GALLY FULL TRAILER0No
Jun 6, 202378836420METRO AIR PKWY AT 5CALevel 2ACE FULL TRAILER3393.9(a), 391.41(a)Yes
Jun 6, 202378825243METRO AIR PKWY AT 5CALevel 2CPS FULL TRAILER3392.2, 393.9(a)Yes
Apr 26, 202378462045CO RD 19 AT CO RD 87CALevel 3MACK TRUCK TRACTOR0No
Apr 26, 202378461924CO RD 19 AT CO RD 87CALevel 3CPS SEMI-TRAILER0No

Inspection analytics

Monthly cadence, frequent stations, and violation mix

Inspections per month (24 mo)

35 total · 22.9% OOS
2024-072025-10
InspectionsOOS

Violations by BASIC category

Related Records

Data sources & freshness

FMCSA Company Census File
Generated from 24-hour old database. Contact info and fleet counts may lag.
Updated 1 weeks ago
FMCSA Authority History
Updated 1 weeks ago
FMCSA Insurance Filings
Updated 1 weeks ago
FMCSA Vehicle Inspection File
Updated 1 weeks ago
Refresh dataLast updated: Apr 5, 2026