EARL L BONSACK INC

USDOT 46310 • 402 SKY HARBOUR DRIVE, LA CROSSE, WI, 54603

ACTIVEMotor Carrier

Authority:2 active

Insurance:2 current

BOC-3:On file

Safety Rating:S

MCS-150:Never updated

OOS Orders:None

Overview

Company profile from FMCSA Census File

USDOT

46,310

Status

ACTIVE

Entity Type

Corporation

Operation

Interstate

Business Type

Motor Carrier

State

Wisconsin

Phone

6087832746

[email protected]

Power Units (MCS-150)

Drivers (MCS-150)

Safety Rating

MCS-150 Mileage

4,997,035

BOC-3 Agent

INTERSTATE AUTHORITY LLC

Physical Address

402 SKY HARBOUR DRIVE, LA CROSSE, WI, 54603

Contact

Phone: 6087832746

Email: [email protected]

Authority & Insurance

Operating authority, insurance filings, and BOC-3 status

Contract Carrier — Active

Common Carrier — Active

Active Authority

Revoked / Inactive

Authority Types

Insurance Policies

2 active

Latest: May 1, 2016

BOC-3 Filing

On file

Operating Authority

fmcsa-authhistApr 5, 2026

Operating Authority
Authority Type	Docket #	Status	Original Date	Final Date
Contract Carrier	MC-124987	ACTIVE	Unknown	Jun 8, 2021
Common Carrier	MC-124987	ACTIVE	Unknown	Jun 8, 2021

Active Insurance (2)

fmcsa-insurApr 5, 2026

Active Insurance (2)
Insurer	Type	Policy #	Status	Effective	Cancel Date
WEST BEND MUTUAL INSURANCE CO.	BIPD/Primary	1000009623	ON FILE	May 1, 2016	Sep 17, 2018
LIBERTY MUTUAL FIRE INSURANCE CO.	CARGO	YY2-Z41-001839-09	ON FILE	May 1, 2010	Jun 1, 2013

Insurance History (8 canceled/expired)

fmcsa-inshist-allwithhistory

Insurance History (8 canceled/expired)
Insurer	Type	Policy #	Status	Effective	Cancel Date
SENTRY SELECT INSURANCE COMPANY	BIPD/Primary	A0006928001	REPLACED	May 1, 2013	May 1, 2016
LIBERTY MUTUAL FIRE INSURANCE CO.	CARGO	YY2-Z41-001839-09	REPLACED	May 1, 2010	May 1, 2010
LIBERTY MUTUAL FIRE INSURANCE CO.	BIPD/Primary	AT2-Z41-001839-01	REPLACED	May 1, 2010	May 1, 2013
LIBERTY MUTUAL FIRE INSURANCE CO.	BIPD/Primary	05/01/2010	REPLACED	May 1, 2010	May 1, 2010
ONEBEACON AMERICA INSURANCE COMPANY	CARGO	790-005-810	CANCELLED	May 1, 2008	May 29, 2010
ONEBEACON AMERICA INSURANCE COMPANY	CARGO	790-005-810	REPLACED	May 1, 2008	May 1, 2010
LIBERTY MUTUAL FIRE INSURANCE CO.	BIPD/Primary	AT2-741-001839-01	REPLACED	May 1, 1993	May 1, 2010
LIBERTY MUTUAL INSURANCE CO.	CARGO	K01-741-001839-04	REPLACED	Dec 1, 1990	May 1, 2008

Insurance Events Timeline

fmcsa-insur-hist

Insurance Events Timeline
Event	Insurer	Policy #	Type	Event Date	Cancel Date
TERM/REPL	WEST BEND MUTUAL INSURANCE CO.	1000009623	BIPD/Primary	Sep 17, 2018	Sep 17, 2018
TERM/REPL	SENTRY SELECT INSURANCE COMPANY	A0006928001	BIPD/Primary	May 1, 2016	May 1, 2016
CANCEL	LIBERTY MUTUAL FIRE INSURANCE CO.	YY2-Z41-001839-09	CARGO	Jun 1, 2013	Jun 1, 2013
TERM/REPL	LIBERTY MUTUAL FIRE INSURANCE CO.	AT2-Z41-001839-01	BIPD/Primary	May 1, 2013	May 1, 2013
TERM/CANCL	ONEBEACON AMERICA INSURANCE COMPANY	790-005-810	CARGO	May 29, 2010	May 29, 2010
TERM/REPL	ONEBEACON AMERICA INSURANCE COMPANY	790-005-810	CARGO	May 1, 2010	May 1, 2010
TERM/REPL	LIBERTY MUTUAL FIRE INSURANCE CO.	05/01/2010	BIPD/Primary	May 1, 2010	May 1, 2010
TERM/REPL	LIBERTY MUTUAL FIRE INSURANCE CO.	AT2-741-001839-01	BIPD/Primary	May 1, 2010	May 1, 2010
TERM/REPL	LIBERTY MUTUAL FIRE INSURANCE CO.	YY2-Z41-001839-09	CARGO	May 1, 2010	May 1, 2010
TERM/REPL	LIBERTY MUTUAL INSURANCE CO.	K01-741-001839-04	CARGO	May 1, 2008	May 1, 2008

Authority Action History (15 events)

fmcsa-authhist-blob

Authority Action History (15 events)
Docket	Authority Type	Original Action	Served Date	Disposition	Decided Date
MC124987	COMMON	INVOLUNTARY REVOCATION	Apr 29, 2021	DISCONTINUED REVOCATION	Jun 8, 2021
MC124987	CONTRACT	INVOLUNTARY REVOCATION	Apr 29, 2021	DISCONTINUED REVOCATION	Jun 8, 2021
MC124987	COMMON	INVOLUNTARY REVOCATION	May 3, 2010	DISCONTINUED REVOCATION	May 12, 2010
MC124987	COMMON	INVOLUNTARY REVOCATION	Nov 22, 2005	DISCONTINUED REVOCATION	Nov 30, 2005
MC124987	CONTRACT	INVOLUNTARY REVOCATION	Nov 22, 2005	DISCONTINUED REVOCATION	Nov 30, 2005
MC124987	MOTOR PROPERTY COMMON CARRIER	GRANTED	Dec 8, 1987	—	Unknown
MC124987	MOTOR PROPERTY CONTRACT CARRIER	GRANTED	Jan 16, 1986	—	Unknown
MC124987	MOTOR PROPERTY COMMON CARRIER	GRANTED	Nov 15, 1982	—	Unknown
MC124987	MOTOR PROPERTY CONTRACT CARRIER	GRANTED	Sep 16, 1982	—	Unknown
MC124987	MOTOR PROPERTY CONTRACT CARRIER	REJECTED	Jul 7, 1982	—	Unknown
MC124987	MOTOR PROPERTY COMMON CARRIER	GRANTED	Jan 14, 1982	—	Unknown
MC124987	MOTOR PROPERTY COMMON CARRIER	GRANTED	Aug 14, 1981	—	Unknown
MC124987	MOTOR PROPERTY CONTRACT CARRIER	GRANTED	Oct 20, 1980	SUPERSEDED	Sep 16, 1982
MC124987	MOTOR PROPERTY CONTRACT CARRIER	GRANTED	Sep 10, 1980	—	Unknown
MC124987	MOTOR PROPERTY CONTRACT CARRIER	GRANTED	Aug 17, 1977	—	Unknown

Safety & Inspections

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

SMS BASIC Scores

Driver Fitness

N/A

Unsafe Driving

30%

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

Inspections

Violations

8 OOS

Vehicle OOS %

4.6%

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

Oct

Nov

Dec

Jan

Feb

Mar

Apr

Clean monthMonth with OOSBased on latest 87 of 87 inspection records

Inspection Activity Map

16 states • 87 inspections

None Low Medium High🚛 Home base

Violation Summary (65 violations from 87 inspections)

fmcsa-inspection-file

Violation Summary (65 violations from 87 inspections)
Code	Description	# Violations	# OOS	Severity Wt	BASIC
FMCSR:392.2	Operating a CMV while ill or fatigued	16	0	8	Unsafe Driving
FMCSR:392.2-SLLEWA1	Operating a CMV while ill or fatigued	6	0	8	Unsafe Driving
FMCSR:392.2-SLLS2	Speeding 6-10 mph over limit	4	0	5	Unsafe Driving
FMCSR:392.2-SLLS3	Speeding 11-14 mph over limit	2	0	7	Unsafe Driving
FMCSR:393.9A-LSLIWR	Inoperable required lamps	2	2	3	Vehicle Maintenance
FMCSR:392.2-SLLS1	Speeding 1-5 mph over limit	2	0	3	Unsafe Driving
FMCSR:396.3(a)(1)	Inspection/repair/maintenance - general	2	1	5	Vehicle Maintenance
FMCSR:392.2-SLLTCD	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:393.45D-B	Brake tubing/hoses inadequate	1	0	7	Vehicle Maintenance
FMCSR:395.24C1III	Driver failed to add file comment per safety officers request	1	0	—	Hours Of Service
FMCSR:392.2-SLLILC	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:393.86A1-RIG	Rear end protection (ICC bumper) missing/defective	1	0	5	Vehicle Maintenance
FMCSR:393.201A-FRMS	Frame - cracked/loose/broken	1	1	8	Vehicle Maintenance
FMCSR:393.11A1-LSLM	Lighting devices/reflectors	1	0	3	Vehicle Maintenance
FMCSR:393.11A1-LTSM	Lighting devices/reflectors	1	1	3	Vehicle Maintenance
FMCSR:395.24	HOS (ELD) - ELD Form and Manner	1	0	—	Hours Of Service
FMCSR:392.2-SLLML	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:392.2-SLLS4	Speeding 15+ mph over limit	1	0	10	Unsafe Driving
FMCSR:392.2-SLLLR	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:395.24C2III	Driver failed to manually add shipping document number	1	0	—	Hours Of Service
FMCSR:396.5B-L	Fuel system leak	1	0	7	Vehicle Maintenance
FMCSR:396.3A1-F	Fuel - Dripping leak.	1	1	—	Vehicle Maintenance
FMCSR:396.17C-PI	No proof of periodic inspection	1	0	3	Vehicle Maintenance
FMCSR:393.11A1-CSLRR	Lighting devices/reflectors	1	0	3	Vehicle Maintenance
FMCSR:393.75A3-TAOL	Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS	1	1	—	Vehicle Maintenance
FMCSR:393.45B2-B-AIR	Brake tubing/hoses inadequate	1	0	7	Vehicle Maintenance
FMCSR:392.16-D	Failing to use seat belt (49 CFR)	1	0	3	Unsafe Driving
FMCSR:393.45(b)(2)	Brake tubing/hoses inadequate	1	0	7	Vehicle Maintenance
FMCSR:393.48(a)	Inoperative/defective brakes	1	0	8	Vehicle Maintenance
FMCSR:393.45(d)	Brake tubing/hoses inadequate	1	0	7	Vehicle Maintenance
FMCSR:393.9A-LRLI	Inoperable required lamps	1	0	3	Vehicle Maintenance
FMCSR:393.45B2-B	Brake tubing/hoses inadequate	1	0	7	Vehicle Maintenance
FMCSR:392.16(a)	Failing to use seat belt (49 CFR)	1	0	3	Unsafe Driving
FMCSR:393.55(e)	Coupling device/towing methods defective	1	0	8	Vehicle Maintenance
FMCSR:393.75(a)(3)	Tire-flat and/or audible air leak	1	1	—	Vehicle Maintenance
FMCSR:393.60(c)	Glazing/window obstructions	1	0	4	Vehicle Maintenance
FMCSR:393.47(e)	Slack adjuster defective	1	0	7	Vehicle Maintenance
FMCSR:393.53(b)	Steering system components worn	1	0	7	Vehicle Maintenance

Peer Context

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

Vehicle OOS Rate

4.6%vs nat'l 23.4%

-18.8 pts below avg

Driver OOS Rate

0.0%vs nat'l 6.7%

-6.7 pts below avg

Violations / Inspection

0.75vs nat'l 1.80

-1.05 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 (87 inspections)

Showing 50 of 87

fmcsa-inspectionsApr 5, 2026

Inspection History (87 inspections)
Date	Report #	Station	State	Level	Vehicle	Violations	Top Codes	OOS
Mar 11, 2026	87319118	EAGLE LAKE MN	MN	Level 3	PETERBILT TRUCK TRACTOR	1	392.2-SLLS2	No
Jan 27, 2026	86903501	BRIGHAM CITY UT	UT	Level 2	UTILITY SEMI-TRAILER	3	392.2-SLLTCD, 393.45D-B, 392.2-SLLS3	No
Jan 13, 2026	86834133	ALLEGANY NY	NY	Level 3	UTILITY TR SEMI-TRAILER	0	—	No
Jan 5, 2026	86733007	SPARTA WI	WI	Level 3	PETERBILT TRUCK TRACTOR	1	392.2-SLLEWA1	No
Dec 29, 2025	86676540	45 - HWY 218 NB MM 29 PILOT GR	IA	Level 3	PTRB TRUCK TRACTOR	1	395.24C1III	No
Dec 29, 2025	86661866	VALLEY SPRINGS SD	SD	Level 3	PETERBILT TRUCK TRACTOR	0	—	No
Dec 20, 2025	86648844	LAKE STATION IN	IN	Level 3	PETERBILT TRUCK TRACTOR	1	392.2-SLLILC	No
Dec 17, 2025	86675584	WINDSOR WI	WI	Level 1	PETERBILT TRUCK TRACTOR	4	393.86A1-RIG, 393.201A-FRMS, 393.11A1-LSLM	No
Nov 25, 2025	86455768	ALLEGANY NY	NY	Level 3	UNPUBLISHE SEMI-TRAILER	1	395.24	No
Nov 20, 2025	86395091	JANESVILLE WI	WI	Level 2	HYUNDAI TR SEMI-TRAILER	1	392.2-SLLML	No
Nov 11, 2025	86293073	EAGLEVILLE MO	MO	Level 1	PETERBILT TRUCK TRACTOR	1	393.9A-LSLIWR	Yes
Oct 22, 2025	86141910	I-90EB	IL	Level 3	PTRB TRUCK TRACTOR	0	—	No
Oct 19, 2025	86109004	I-57 S/B	IL	Level 3	PTRB TRUCK TRACTOR	1	392.2-SLLS1	No
Oct 6, 2025	85999737	SPARTA WI	WI	Level 2	PETERBILT TRUCK TRACTOR	1	392.2-SLLEWA1	No
Sep 28, 2025	85952152	I-39 S	IL	Level 2	STOU SEMI-TRAILER	0	—	No
Sep 26, 2025	85917527	NEOSHO COUNTY - 133	KS	Level 3	UTIL SEMI-TRAILER	0	—	No
Sep 17, 2025	85860389	WEST SAINT PAUL MN	MN	Level 3	UTILITY SEMI-TRAILER	1	392.2-SLLS4	No
Sep 16, 2025	85796510	ST. LOUIS MO	MO	Level 2	STOUGHTON SEMI-TRAILER	1	393.9A-LSLIWR	Yes
Sep 10, 2025	85794338	FOREST PARK GA	GA	Level 3	PETERBILT TRUCK TRACTOR	1	392.2-SLLLR	No
Aug 15, 2025	85515125	WISCONSIN RAPIDS WI	WI	Level 2	UTILITY TR SEMI-TRAILER	0	—	No
Jul 30, 2025	85387269	SPARTA WI	WI	Level 1	PETERBILT TRUCK TRACTOR	0	—	No
Jul 22, 2025	85308195	I-270	IL	Level 2	PTRB TRUCK TRACTOR	1	395.24C2III	No
Jul 16, 2025	85283600	COLUMBUS IN	IN	Level 3	PETERBILT TRUCK TRACTOR	1	392.2-SLLS2	No
Jul 7, 2025	85173695	WENDOVER UT	UT	Level 1	PETERBILT TRUCK TRACTOR	0	—	No
Jun 23, 2025	85042406	STOUGHTON WI	WI	Level 2	PETERBILT TRUCK TRACTOR	0	—	No
Jun 4, 2025	84890029	MAUSTON WI	WI	Level 1	PETERBILT TRUCK TRACTOR	1	396.5B-L	No
May 22, 2025	84775450	SPARTA WI	WI	Level 2	PETERBILT TRUCK TRACTOR	1	392.2-SLLEWA1	No
May 12, 2025	84677148	SPARTA WI	WI	Level 2	GREAT DANE SEMI-TRAILER	2	396.3A1-F, 392.2-SLLEWA1	Yes
May 11, 2025	84662224	SPARTA WI	WI	Level 2	STOUGHTON SEMI-TRAILER	0	—	No
Apr 15, 2025	84424429	MADISON WI	WI	Level 3	HYUNDAI TR SEMI-TRAILER	1	392.2-SLLS1	No
Apr 9, 2025	84411739	BEMUS POINT NY	NY	Level 3	UNPUBLISHE SEMI-TRAILER	0	—	No
Mar 10, 2025	84142078	DODGE CENTER MN	MN	Level 3	HYUNDAI TR SEMI-TRAILER	1	392.2-SLLS2	No
Feb 24, 2025	83957587	Roadside	IL	Level 3	PTRB TRUCK TRACTOR	0	—	No
Feb 11, 2025	83847107	RAPID CITY SD	SD	Level 3	PETERBILT TRUCK TRACTOR	0	—	No
Feb 4, 2025	83805817	SOUTH RANGE WI	WI	Level 1	HYUNDAI TR SEMI-TRAILER	4	396.17C-PI, 393.11A1-CSLRR, 393.75A3-TAOL	Yes
Jan 28, 2025	83734548	BEACH ND	ND	Level 3	UTILITY SEMI-TRAILER	0	—	No
Jan 28, 2025	83772196	BYRON MN	MN	Level 3	STOUGHTON SEMI-TRAILER	1	392.16-D	No
Jan 27, 2025	83734695	SPARTA WI	WI	Level 2	PETERBILT TRUCK TRACTOR	1	392.2-SLLEWA1	No
Jan 27, 2025	83712514	WEST HARRISON IN	IN	Level 3	GREAT DANE SEMI-TRAILER	1	392.2-SLLS3	No
Jan 22, 2025	83679488	HOT SPRINGS SD	SD	Level 3	UTILITY TR SEMI-TRAILER	0	—	No
Jan 14, 2025	83632309	SPARTA WI	WI	Level 3	HYUNDAI TR SEMI-TRAILER	1	392.2-SLLS2	No
Jan 14, 2025	83632756	JANESVILLE WI	WI	Level 2	HYUNDAI TR SEMI-TRAILER	0	—	No
Nov 4, 2024	83100416	SPARTA WI	WI	Level 3	GREAT DANE SEMI-TRAILER	1	392.2-SLLEWA1	No
Sep 17, 2024	82722268	ADAIRSVILLE GA	GA	Level 3	UTILITY TR SEMI-TRAILER	0	—	No
Aug 13, 2024	82382182	I-90	IL	Level 3	STOU SEMI-TRAILER	0	—	No
Aug 7, 2024	82366443	WATERTOWN WI	WI	Level 3	STOUGHTON SEMI-TRAILER	1	392.2	No
Jul 16, 2024	82162129	BEMUS POINT REST AREA	NY	Level 2	PTRB TRUCK TRACTOR	2	393.45(b)(2), 393.48(a)	No
Jul 12, 2024	82145990	WATERTOWN WI	WI	Level 2	STOUGHTON SEMI-TRAILER	2	392.2	No
Jun 19, 2024	81954926	ALLEGANY NY	NY	Level 3	PETERBILT TRUCK TRACTOR	0	—	No
Jun 13, 2024	81909260	WORTHINGTON MN	MN	Level 3	HYUNDAI TR SEMI-TRAILER	0	—	No

View all 87 records

View all 87 inspections →

Inspection analytics

Monthly cadence, frequent stations, and violation mix

Inspections per month (24 mo)

58 total · 6.9% OOS

2024-042026-03

InspectionsOOS

Most frequent inspection stations

SPARTA WI10 · 1 OOS

Violations by BASIC category

Unsafe Driving37

Vehicle Maintenance25 · 8 OOS

Hours of Service3

Recent Crashes

25 crash records from FMCSA Crash File

Total Crashes

Fatalities

Injuries

Across 12 crashes

Tow-Aways

Crash History (25 records)

fmcsa-crash-fileApr 5, 2026

Crash History (25 records)
Date	State	Severity	Injuries	City	Location	VIN	Carrier Name at Crash
Dec 17, 2025	WI	INJURY	1	BURKE	IH 039 NB	...650740	EARL L BONSACK INC
Jun 4, 2025	WI	INJURY	2	MAUSTON	IH 090 EB	...744231	EARL L BONSACK INC
May 22, 2025	WI	TOW	0	BURKE	IH 039 SB	...720223	EARL L BONSACK INC
May 1, 2025	WI	INJURY	1	LA CROSSE	SAINT CLOUD ST	...635410	EARL L BONSACK INC
Oct 6, 2024	PA	INJURY	1	MARSHALL TOWNSHIP	INTERSTATE 6000 E	...686976	EARL L BONSACK INC
Jun 23, 2023	IL	INJURY	1	CHICAGO	S ASHLAND AVE	...740557	EARL L BONSACK INC
Apr 11, 2023	MN	TOW	0	DAKOTA	ISTH 90	...650739	EARL L BONSACK INC
Dec 7, 2022	WI	TOW	0	ONALASKA	USH 053 SB	...292115	EARL L BONSACK INC
Aug 27, 2021	WI	TOW	0	LA CROSSE	2ND ST	...740552	EARL L BONSACK INC
Dec 16, 2020	PA	INJURY	3	—	—	—	—
Oct 15, 2020	WI	INJURY	1	—	—	—	—
Jan 24, 2020	IL	TOW	0	—	—	—	—
Jan 14, 2020	WI	INJURY	1	—	—	—	—
Jun 19, 2019	MN	TOW	0	—	—	—	—
Apr 17, 2019	WI	TOW	0	—	—	—	—
Jan 23, 2019	WI	INJURY	1	—	—	—	—
Jan 19, 2019	MN	INJURY	1	—	—	—	—
Jul 25, 2018	MN	TOW	0	—	—	—	—
Feb 9, 2018	IL	TOW	0	—	—	—	—
Jan 30, 2018	WI	INJURY	2	—	—	—	—
Oct 23, 2017	MN	TOW	0	—	—	—	—
Apr 24, 2017	OH	TOW	0	—	—	—	—
Apr 5, 2017	WI	INJURY	2	—	—	—	—
Jan 26, 2017	WI	TOW	0	—	—	—	—
Dec 5, 2016	WI	TOW	0	—	—	—	—