UNDERWOODS SUPERIOR TRUCK SUPPLY INC

USDOT 2757263 • DBA: SUPERIOR TRUCK SUPPLY INC • 660 W 16TH ST, LONG BEACH, CA, 90813

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

2,757,263

Status

ACTIVE

Operation

Intrastate (Non-Hazmat)

State

California

Phone

5622331713

[email protected]

Power Units (MCS-150)

Drivers (MCS-150)

MCS-150 Mileage

75,000

Physical Address

660 W 16TH ST, LONG BEACH, CA, 90813

Contact

Phone: 5622331713

Email: [email protected]

Authority & Insurance

Operating authority, insurance filings, and BOC-3 status

Active Authority

Revoked / Inactive

Authority Types

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

Drugs / Alcohol

Hours of Service

N/A

Unsafe Driving

N/A

Vehicle Maintenance

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

Inspections

Violations

3 OOS

Vehicle OOS %

27.3%

Above nat'l avg (23.4%)

Driver OOS %

0.0%

Power Units (MCS-150)

Drivers (MCS-150)

Crash Records

Inspection Activity (24 months)

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

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

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Dec

Jan

Feb

Mar

Apr

Clean monthMonth with OOSBased on latest 11 of 11 inspection records

Inspection Activity Map

1 state • 11 inspections

None Low Medium High🚛 Home base

Violation Summary (4 violations from 11 inspections)

fmcsa-inspection-file

Violation Summary (4 violations from 11 inspections)
Code	Description	# Violations	# OOS	Severity Wt	BASIC
FMCSR:393.75(a)(3)	Tire-flat and/or audible air leak	3	3	—	Vehicle Maintenance
FMCSR:392.2	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving

Peer Context

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

Vehicle OOS Rate

27.3%vs nat'l 23.4%

+3.9 pts above avg

Driver OOS Rate

0.0%vs nat'l 6.7%

-6.7 pts below avg

Violations / Inspection

0.36vs nat'l 1.80

-1.44 below avg

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

Inspection History (11 inspections)

fmcsa-inspectionsApr 5, 2026

Inspection History (11 inspections)
Date	Report #	Station	State	Level	Vehicle	Violations	Top Codes	OOS
Jan 20, 2026	86847562	SEASIDE	CA	Level 1	ISU STRAIGHT TRUCK	0	—	No
Jul 28, 2025	85343170	SOUTH LA	CA	Level 1	ISU STRAIGHT TRUCK	0	—	No
Jun 30, 2025	85105469	SOUTH LA	CA	Level 1	ISU STRAIGHT TRUCK	0	—	No
Oct 25, 2024	83004987	SR-14 PIT SCALES	CA	Level 1	ISU STRAIGHT TRUCK	0	—	No
Oct 16, 2024	82923900	SOUTHERN DIVISION	CA	Level 1	ISU STRAIGHT TRUCK	0	—	No
Oct 15, 2024	82914439	PORT OF LOS ANGELES	CA	Level 1	ISU STRAIGHT TRUCK	1	393.75(a)(3)	Yes
Apr 23, 2024	81426110	PORT OF LOS ANGELES	CA	Level 1	ISU STRAIGHT TRUCK	0	—	No
Mar 14, 2024	81111333	SOUTH LOS ANGELES	CA	Level 1	ISU STRAIGHT TRUCK	0	—	No
Dec 1, 2023	80306251	SOUTH LOS ANGELES	CA	Level 1	ISU STRAIGHT TRUCK	1	393.75(a)(3)	Yes
Aug 1, 2023	79299597	LOS ANGELES	CA	Level 1	ISU STRAIGHT TRUCK	1	392.2	No
Jul 17, 2023	79179190	SOUTH LOS ANGELES	CA	Level 1	ISU STRAIGHT TRUCK	1	393.75(a)(3)	Yes