Safety Measurement System - Complete SMS Profile (U.S. DOT# 133751)

M S & SONS CORP

U.S. DOT#: 133751

Address: 1605 SASSY LANE
HUMBOLDT, IA 50548
Number of Vehicles: 40
Number of Drivers: 43
Number of Inspections: 41

Safety Rating & OOS Rates

(As of 01/18/2026 updated daily from SAFER )

SATISFACTORY

(Rating Date: 04/14/2025)

Out of Service Rates

Type	OOS %	National Avg %
Vehicle	6.3	23.2
Driver	2.6	6.4
Hazmat	0.0	4.4

Licensing and Insurance

(As of 01/18/2026 updated hourly from L&I )

Active For-Hire Authority
Type	Yes/No	MC#/MX#
Property	Yes	MC-143871
Passenger	No
Household Goods	No
Broker	No

BASIC Status (Public Property Carrier View)

Behavior Analysis & Safety Improvement Categories (BASICs) Based on a 24-month record ending December 26, 2025

On-Road Performance
3.92 Measure	Not Public	0.51 Measure	5.40 Measure	0 Measure	Not Public	0.01 Measure
On-Road Performance Detail
Driver Inspections with Unsafe Driving Violations: 17 Safety Event Group: 9-21 driver inspections with Unsafe Driving Violations Avg. PU × UF: 38 Segment: Combination Carrier	Not Public	Driver Inspections: 41 with HOS Compliance Violations: 6 Safety Event Group: 21-100 relevant driver inspections	Vehicle Inspections: 16 with Vehicle Maint. Violations: 10 Safety Event Group: 11-20 relevant vehicle inspections	Driver Inspections: 41 with Drugs/Alcohol Violations: 0 Safety Event Group: No Safety Event Grouping	Not Public	Driver Inspections: 41 with Driver Fitness Violations: 1 Safety Event Group: 21-100 relevant driver inspections
Investigation Results
No Acute/Critical Violations Discovered	N/A	No Acute/Critical Violations Discovered	No Acute/Critical Violations Discovered	No Acute/Critical Violations Discovered	Not Public	No Acute/Critical Violations Discovered

Select a BASIC icon above to get details, or view your Complete SMS Profile.

Violation Summary

Violations: 44


Violations	Description	# Violations	# OOS Violations	Violation Severity Weight	BASIC

392.16	Failing to use seat belt while operating a CMV	3	0	7	Unsafe Driving
392.2FC	Following too close	1	0	5	Unsafe Driving
392.2-INAT	Driver- Inattentive or Distracted Driving.	1	0	5	Unsafe Driving
392.2-SLLS2	State/Local Laws - Speeding 6-10 miles per hour over the speed limit.	10	0	4	Unsafe Driving
392.2-SLLS3	State/Local Laws - Speeding 11-14 miles per hour over the speed limit.	1	0	7	Unsafe Driving
392.82DUMT	Driver - Using a hand-held mobile telephone.	1	0	10	Unsafe Driving
395.24C2III	Driver failed to manually add shipping document number	1	0	1	HOS Compliance
395.3A1-HOSPD	HOS (Property) - Driving more than 11 hours following 10 consecutive hours off duty during the current 8 consecutive day period. Date and Time:	1	0	7	HOS Compliance
395.8A1-HOSP	HOS (Property) - Failing to have a record of duty status using the method prescribed.	1	1	5	HOS Compliance
395.8(e)	False report of drivers record of duty status	1	0	7	HOS Compliance
395.8F01	Drivers record of duty status not current	1	0	5	HOS Compliance
395.8(k)(2)	Driver failing to retain previous 7 days records of duty status	1	1	1	HOS Compliance
State Citation Result: Conviction of a Different Charge
383.71H	Failing to submit medical certification documentation as required.	1	0	1	Driver Fitness
393.106B-C	Cargo - Not immobilized or secured.	1	0	3	Vehicle Maint.
393.11A1-CSLRR	Conspicuity Systems - Truck tractor, lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997.	1	0	3	Vehicle Maint.
393.11A1-LBL	Lighting - Backup lamp missing.	1	0	6	Vehicle Maint.
393.45B2-B-AIR	Air Brake - Hose/tubing damaged or not secured.	1	0	4	Vehicle Maint.
393.45B2PC	Brake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit	1	0	4	Vehicle Maint.
393.45(d)	Brake connections with leaks or constrictions	1	0	4	Vehicle Maint.
393.45D-B	Air Brake - Audible air leak at a proper connection.	1	0	4	Vehicle Maint.
393.51C-BLPW	Air Brake - Low pressure warning device missing/inoperative.	1	1	4	Vehicle Maint.
393.55E-B	Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998.	1	0	4	Vehicle Maint.
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	8	Vehicle Maint.
393.78A-WS	Washers - Inoperative washing system.	1	0	1	Vehicle Maint.
393.95(a)	No/discharged/unsecured fire extinguisher	1	0	2	Vehicle Maint.
393.95A4-EENA	Emergency Equipment - Fire Extinguishers - not readily accessible.	1	0	2	Vehicle Maint.
393.95A4-EEUS	Emergency Equipment - Fire Extinguishers - unsecured.	1	0	2	Vehicle Maint.
393.9A-HLLH	Lighting - Headlamp(s) fail to operate on low and high beam.	1	0	6	Vehicle Maint.
393.9(a)	Inoperative Brake Lamps	1	0	6	Vehicle Maint.
393.9T	Inoperable tail lamp	2	0	6	Vehicle Maint.
393.9TS	Inoperative turn signal	1	0	6	Vehicle Maint.
396.3A1-BALAC	Brake - Audible air leak from a brake chamber	1	0	4	Vehicle Maint.

Inspection History

Total Inspections: 41


Report			Vehicle			Measure
Inspection Date	Number	State	Plate Number	Plate State	Type	Severity Weight (SW)	Time Weight (TiW)

12/19/2025	IA000P14WT0C	IA	FS1518	IA	TRUCK TRACTOR		3
Unsafe Driving Violation: 392.2-SLLS2 State/Local Laws - Speeding 6-10 miles per hour over the speed limit						4
12/8/2025	IA000P15NFG3	IA	VF1525	IA	TRUCK TRACTOR		3
Vehicle Maint. Violation: 393.95(a) No/discharged/unsecured fire extinguisher						2
Vehicle Maint. Violation: 393.75A3-TAOL Tires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS (OOS)						8 + 2 (OOS)
11/17/2025	IA000P12HZX0	IA	FZ4155	IA	TRUCK TRACTOR		3
11/17/2025	WI5047000014	WI	FY6992	IA	TRUCK TRACTOR		3
Vehicle Maint. Violation: 393.55E-B Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998						4
11/9/2025	IA000P151W23	IA	SC5781	IA	TRUCK TRACTOR		3
11/3/2025	IA000P16D9JX	IA	FY6992	IA	TRUCK TRACTOR		3
Unsafe Driving Violation: 392.2-SLLS2 State/Local Laws - Speeding 6-10 miles per hour over the speed limit						4
10/1/2025	IA000P12HZT6	IA	VF3012	IA	TRUCK TRACTOR		3
Unsafe Driving Violation: 392.2-SLLS2 State/Local Laws - Speeding 6-10 miles per hour over the speed limit						4
9/26/2025	IA000P16D9FP	IA	VF4067	IA	TRUCK TRACTOR		3
Unsafe Driving Violation: 392.2-INAT Driver- Inattentive or Distracted Driving						5
9/15/2025	NET143000666	NE	FZ2554	IA	TRUCK TRACTOR		3
Vehicle Maint. Violation: 393.9A-HLLH Lighting - Headlamp(s) fail to operate on low and high beam						6
Vehicle Maint. Violation: 393.45B2-B-AIR Air Brake - Hose/tubing damaged or not secured						4
9/15/2025	MN1675000386	MN	VF4068	IA	TRUCK TRACTOR		3
Vehicle Maint. Violation: 393.78A-WS Washers - Inoperative washing system.						1
8/26/2025	IA000P10C435	IA	VF5343	IA	TRUCK TRACTOR		3
7/28/2025	IL4181590312	IL	VE3833	IA	TRUCK TRACTOR		3
HOS Compliance Violation: 395.8F01 Drivers record of duty status not current						5
6/19/2025	IA000P13V90W	IA	VA7059	IA	TRUCK TRACTOR		2
Unsafe Driving Violation: 392.2-SLLS2 State/Local Laws - Speeding 6-10 miles per hour over the speed limit						4
6/18/2025	IA000P1271XL	IA	FY2727	IA	TRUCK TRACTOR		2
Unsafe Driving Violation: 392.16 Failing to use seat belt while operating a CMV						7
5/22/2025	IA000P123G8S	IA	VF5829	IA	TRUCK TRACTOR		2
Unsafe Driving Violation: 392.16 Failing to use seat belt while operating a CMV						7
4/29/2025	KSHP93514049	KS	VF2465	IA	TRUCK TRACTOR		2
Vehicle Maint. Violation: 393.51C-BLPW Air Brake - Low pressure warning device missing/inoperative (OOS)						4 + 2 (OOS)
Vehicle Maint. Violation: 393.11A1-LBL Lighting - Backup lamp missing						6
Vehicle Maint. Violation: 393.11A1-CSLRR Conspicuity Systems - Truck tractor, lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997						3
3/28/2025	IA000P123G3H	IA	FY2727	IA	TRUCK TRACTOR		2
Unsafe Driving Violation: 392.2FC Following too close						5
3/21/2025	SDHP10800034	SD	VA7059	IA	TRUCK TRACTOR		2
Unsafe Driving Violation: 392.2-SLLS2 State/Local Laws - Speeding 6-10 miles per hour over the speed limit						4
1/26/2025	IA000P13X5JR	IA	VE3833	IA	TRUCK TRACTOR		2
Vehicle Maint. Violation: 393.45(d) Brake connections with leaks or constrictions						4
1/23/2025	IA000P113077	IA	VE9239	IA	TRUCK TRACTOR		2
12/30/2024	IA000TT6CHBQ	IA	VF5829	IA	TRUCK TRACTOR		2
11/29/2024	IA000P13HXDH	IA	VA9545	IA	TRUCK TRACTOR		1
Unsafe Driving Violation: 392.2-SLLS2 State/Local Laws - Speeding 6-10 miles per hour over the speed limit						4
11/28/2024	IA000TT6CH8B	IA	TEMP	IA	TRUCK TRACTOR		1
11/7/2024	IA000P12HXWQ	IA	VF4067	IA	TRUCK TRACTOR		1
Unsafe Driving Violation: 392.82DUMT Driver - Using a hand-held mobile telephone						10
11/5/2024	IA000P123FNW	IA	VB1016	IA	TRUCK TRACTOR		1
Driver Fitness Violation: 383.71H License (CDL) - CDL or CLP holder possesses a valid medical certificate but is not on file with the issuing state driver's licensing agency as required						1
9/16/2024	IA000P16992L	IA	FY2727	IA	TRUCK TRACTOR		1
9/10/2024	IA000P16990T	IA	VF5156	IA	TRUCK TRACTOR		1
Unsafe Driving Violation: 392.2-SLLS2 State/Local Laws - Speeding 6-10 miles per hour over the speed limit						4
9/7/2024	IA000P16D7V8	IA	VA3840	IA	TRUCK TRACTOR		1
Unsafe Driving Violation: 392.2-SLLS2 State/Local Laws - Speeding 6-10 miles per hour over the speed limit						4
7/29/2024	IA000TT6CGX2	IA	VF4067	IA	TRUCK TRACTOR		1
Unsafe Driving Violation: 392.2-SLLS2 State/Local Laws - Speeding 6-10 miles per hour over the speed limit						4
7/20/2024	IA000P14W1FN	IA	VF3012	IA	TRUCK TRACTOR		1
Vehicle Maint. Violation: 393.9T Inoperable tail lamp						6
Vehicle Maint. Violation: 393.9(a) Inoperative Brake Lamps						6
Vehicle Maint. Violation: 393.9TS Inoperative turn signal						6
6/27/2024	IA000P130QPH	IA	VF3012	IA	TRUCK TRACTOR		1
6/20/2024	SD5470001746	SD	VF4068	IA	TRUCK TRACTOR		1
HOS Compliance Violation: 395.8A1-HOSP HOS (Property) - Failing to have a record of duty status using the method prescribed (OOS)						5 + 2 (OOS)
5/16/2024	SD5530001699	SD	VF2169	IA	TRUCK TRACTOR		1
Vehicle Maint. Violation: 393.106B-C Cargo - Not immobilized or secured						3
Vehicle Maint. Violation: 393.95A4-EEUS Emergency Equipment - Fire Extinguishers - unsecured						2
Vehicle Maint. Violation: 393.95A4-EENA Emergency Equipment - Fire Extinguishers - not readily accessible						2
5/16/2024	IL0087001924	IL	VA8165	IA	TRUCK TRACTOR		1
5/6/2024	IA000P16D7D2	IA	VA7059	IA	TRUCK TRACTOR		1
Unsafe Driving Violation: 392.16 Failing to use seat belt while operating a CMV						7
4/26/2024	IA000P15NCJ3	IA	VF4068	IA	TRUCK TRACTOR		1
HOS Compliance Violation: 395.24C2III Driver failed to manually add shipping document number						1
Vehicle Maint. Violation: 393.9T Inoperable tail lamp						6
Vehicle Maint. Violation: 393.45B2PC Brake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit						4
1/30/2024	IA000P11SFH7	IA	VB1016	IA	TRUCK TRACTOR		1
HOS Compliance Violation: 395.8(e) False report of drivers record of duty status						7
1/25/2024	WI2486001685	WI	VA3840	IA	TRUCK TRACTOR		1
Vehicle Maint. Violation: 396.3A1-BALAC Brake - Audible air leak from a brake chamber						4
Vehicle Maint. Violation: 393.45D-B Air Brake - Audible air leak at a proper connection						4
HOS Compliance Violation: 395.3A1-HOSPD HOS (Property) - Driving more than 11 hours following 10 consecutive hours off duty during the current 8 consecutive day period. Date and Time						7
1/25/2024	IL4039670320	IL	VA9545	IA	STRAIGHT TRUCK		1
HOS Compliance Violation: 395.8(k)(2) Driver failing to retain previous 7 days records of duty status (OOS) State Citation Result: Conviction of a Different Charge						1
1/8/2024	IN8497000537	IN	VE4067	IA	TRUCK TRACTOR		1
Unsafe Driving Violation: 392.2-SLLS2 State/Local Laws - Speeding 6-10 miles per hour over the speed limit						4
1/3/2024	IA000P10RB2J	IA	VF2169	IA	TRUCK TRACTOR		1
Unsafe Driving Violation: 392.2-SLLS3 State/Local Laws - Speeding 11-14 miles per hour over the speed limit						7

Reviewed-Not Preventable Crash Activity (vehicles involved in crashes)

Total Number of Crashes: 1


Report			Vehicle		Crash
Date	Number	State	Plate Number	Plate State	Fatal	Inj.	Tow.	HM

4/9/2024	TX6UIFHQE19T	TX	VE3833	IA	0	0	Yes	No

Crashes Included in SMS (vehicles involved in crashes)

Total Number of Crashes: 1


Report			Vehicle		Crash				Measure = Sum of the Total Weight (TotW)
Date	Number	State	Plate Number	Plate State	Fatal	Inj.	Tow.	HM	Severity Weight (SW)	Time Weight (TiW)	Total Weight (TotW)

9/26/2025	IA2501514246	IA	VF4067	IA	0	0	Yes	No	1	3	3

Investigation Results

Acute/Critical Violations: 0

This carrier has no Acute/Critical violations to display.

Summary of Activities

The summary includes information on the 5 most recent investigations and 24 months of inspections and crash history.

Most Recent Investigation: 4/9/2025 (Compliance Review)
Total Inspections: 41
- Total Inspections without Violations used in SMS: 9
- Total Inspections with Violations used in SMS: 32
Total Crashes* : 2

*Crashes listed represent a motor carrier’s involvement in reportable crashes, regardless of the carrier’s or driver’s role in the crash. Continue for details.

Continue for more Crash, Inspection & Investigation Details

Carrier Registration

Carrier Registration Details Subject to Hazmat Threshold Update Registration Info

Enforcement Cases

(Six years as of 01/18/2026 updated monthly from FMCSA )

No penalties found

Tools/Resources

SMS Methodology How to Improve Request a Data Review

For U.S. DOT# 133751

Complete SMS Profile Carrier History Downloads

Summary of Activities (as of 12/26/2025, updated monthly)

The summary includes information on the 5 most recent investigations and 24 months of inspections and crash history.

Most Recent Investigation: 4/9/2025 (Compliance Review)	Total Inspections: 41 Total inspections without violations used in SMS: 9 Total inspections with violations used in SMS: 32	Total Crashes: 2*
4/9/2025 (Compliance Review) 1/29/2020 (Non-Ratable Review) 5/14/2018 (Compliance Review) 12/20/2006 (CR And Security Contact Review) 2/28/1991 (Compliance Review)	# Insp. OOS Driver Inspections 41 4.9% Vehicle Inspections 16 12.5% Placardable HM Inspections 6 0.0% % Placardable HM Inspections 37.5%	Fatal Crashes 0 Injury Crashes 0 Towaway Crashes 2

*Crashes listed represent a motor carrier’s involvement in reportable crashes, regardless of the carrier’s or driver’s role in the crash. Continue for details.

Downloads

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Average PU × Utilization Factor (as of 12/26/2025, updated monthly)

The SMS normalizes the Unsafe Driving and Crash Indicator BASICs measure by carrier size (i.e., a hybrid power unit and vehicle miles travelled measure) to account for exposure. Carrier size is defined as average power units multiplied by the utilization factor.

38 Average PU × Utilization Factor = 38 Average Power Units × 1 Utilization Factor

Average Power Units
Utilization Factor

In order to account for changes in a carrier's fleet size during the previous 24 months an average power unit value is used in the calculation to determine a carrier's Unsafe Driving BASIC and Crash Indicator measures.

38 Average Power Units = 40 Current Power Units + 40 Power Units 6 Months Ago + 34 Power Units 18 Months Ago
3

The Utilization Factor is a multiplier that adjusted the average PU values based on the utilization in terms of VMT per average PU.

Determine Carrier Segment: Combo
Combination trucks/motor coach buses constituting 70% or more of the total PU
U.S. DOT# 133751 = 100% Combination trucks/motor coach buses
Determine VMT per Average Power Unit
63,831 VMT per Average Power Unit = 2,425,578 VMT From Investigation (MCS-151) ÷ 38 Average Power Units

Based on Step 1 and 2 calculate the Utilization Factor

Combo Segment
Meets Criteria	VMT per Avgerage PU	Utilization Factor
	< 80,000	1
	80,000 – 160,000	1 + (VMT per PU − 80,000) ÷ 133,333
	160,000 – 200,000	1.6
	> 200,000	1
	No Recent VMT Information	1

Use of SMS Data/Information

FAST Act of 2015:

Readers should not draw conclusions about a carrier's overall safety condition simply based on the data displayed in this system. Unless a motor carrier has received an UNSATISFACTORY safety rating under part 385 of title 49, Code of Federal Regulations, or has otherwise been ordered to discontinue operations by the Federal Motor Carrier Safety Administration, it is authorized to operate on the Nation's roadways.

Safety Measurement System:

The data in the Safety Measurement System (SMS) is performance data used by the Agency and Enforcement Community. A symbol, based on that data, indicates that FMCSA may prioritize a motor carrier for further monitoring.

The symbol is not intended to imply any federal safety rating of the carrier pursuant to 49 USC 31144. Readers should not draw conclusions about a carrier's overall safety condition simply based on the data displayed in this system. Unless a motor carrier in the SMS has received an UNSATISFACTORY safety rating pursuant to 49 CFR Part 385, or has otherwise been ordered to discontinue operations by the FMCSA, it is authorized to operate on the nation's roadways.

Motor carrier safety ratings are available at http://safer.fmcsa.dot.gov and motor carrier licensing and insurance status are available at http://li-public.fmcsa.dot.gov/.