MERRIMACK

Roadside inspection site in New Hampshire • 335 inspections on record

OOS Rate: 11.6%
Total Inspections
335
OOS Rate
11.6%
OOS Inspections
39
Unique Carriers
257
HazMat Inspections
0
Avg Violations
1.0
Name
MERRIMACK
State
New Hampshire (NH)
Facility Type
Total Inspections
335
OOS Rate
11.6%
Active Since
Jan 1, 2020
Latest Inspection
Dec 23, 2025

About This Inspection Site

MERRIMACK is a roadside inspection location in New Hampshire where FMCSA-certified inspectors conduct safety inspections of commercial motor vehicles under the Motor Carrier Safety Assistance Program (MCSAP). This site has conducted 335 recorded inspections from Jan 1, 2020 to Dec 23, 2025.

A total of 257 unique carriers have been inspected at this site. The average number of violations per inspection is 1.0. The out-of-service rate is 11.6%, meaning a moderate number 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 Operating a CMV while ill or fatigued (Unsafe Driving) with 62 citations, followed by Failing to use seat belt (49 CFR) (35 citations). A total of 92 distinct violation codes have been cited at this location.

Inspection Level Breakdown

335 inspections by CVSA level

Top Violations

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

#CodeDescriptionBASIC CategoryCitationsOOSOOS %
1392.2Operating a CMV while ill or fatiguedUnsafe Driving6211.6%
2392.16(a)Failing to use seat belt (49 CFR)Unsafe Driving350
3391.41(a)(1)391.41(a)(1)Driver Fitness21628.6%
4393.9(a)Inoperable required lampsVehicle Maintenance17529.4%
5390.21T(b)390.21T(b)General/Admin120
6393.95(a)Emergency equipment - fire extinguisher missing/defectiveVehicle Maintenance100
7391.45(b)Expired medical examiner's certificateDriver Fitness100
8393.78Windshield condition defectiveVehicle Maintenance60
9392.16(b)Failing to use seat belt (49 CFR)Unsafe Driving50
10393.41No or defective parking brake system on CMVVehicle Maintenance55100.0%
11393.95A1Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated.Vehicle Maintenance50
12391.41A-MCPCPhysical qualification - generalDriver Fitness40
13396.3(a)(1)Inspection/repair/maintenance - generalVehicle Maintenance4250.0%
14393.75(c)Tire tread depth insufficient (other axles)Vehicle Maintenance4125.0%
15393.95FEmergency Equipment - Stopped vehicle warning devices missing or improperVehicle Maintenance40
16396.9(d)(2)Failure to correct defects noted on previous inspection reportVehicle Maintenance40
17393.95(f)Emergency Equipment - Stopped vehicle warning devices missing or improperVehicle Maintenance40
18391.15(a)Driving while disqualifiedDriver Fitness33100.0%
19396.17(c)No proof of periodic inspectionVehicle Maintenance30
20391.41(a)Physical qualification - generalDriver Fitness30
21390.21TB1-MC390.21TB1-MCGeneral/Admin30
22393.9A-LLPLInoperable required lampsVehicle Maintenance30
23391.11(b)(4)No valid medical certificateDriver Fitness33100.0%
24396.17C-PINo proof of periodic inspectionVehicle Maintenance30
25391.11B2-QDriver cannot satisfy the English language proficiency requirements of 391.11(b)(2) as per FMCSA Enforcement Guidance Memo MC-SEE-2025-0001. Driver failed the IDriver Fitness30
26387.303(b)(4)387.303(b)(4)General/Admin30
27383.23(a)(2)CDL - wrong classDriver Fitness33100.0%
28392.9b(a)392.9b(a)Unsafe Driving30
29383.51(a)CDL disqualification - major offenseDriver Fitness3266.7%
30392.2-SLLOperating a CMV while ill or fatiguedUnsafe Driving20
31390.21T(a)390.21T(a)General/Admin20
32391.11(b)(5)Not physically qualifiedDriver Fitness22100.0%
33392.7A-DDriver - Failed to conduct pre-trip inspection or make use of required parts and accessoriesUnsafe Driving20
34393.60(c)Glazing/window obstructionsVehicle Maintenance20
35393.9A-LSMLInoperable required lampsVehicle Maintenance20
36395.8(a)(1)Not using the appropriate method to record hours of serviceHours of Service22100.0%
37392.16ADFailing to use seat belt (49 CFR)Unsafe Driving20
38393.203(e)Cab front bumper missing/unsecured/protrudeVehicle Maintenance2150.0%
39393.78A-WSWindshield condition defectiveVehicle Maintenance20
40392.9(a)(1)Failing to secure cargo as specified in 49 CFR 393.100 through 393.142Unsafe Driving22100.0%
41393.43Brake - relay emergency valveVehicle Maintenance22100.0%
42393.205C-WRWheel/Rim - Wheel fasteners loose/missing/ineffective/broken.Vehicle Maintenance20
43392.82(a)(1)Texting while drivingUnsafe Driving20
44395.8(f)(1)Drivers record of duty status not currentHours of Service20
45395.15(g)(2)395.15(g)(2)Hours of Service20
46393.207(a)Suspension defectiveVehicle Maintenance22100.0%
47393.45Brake tubing/hoses inadequateVehicle Maintenance11100.0%
48393.75(a)(3)Tire-flat and/or audible air leakVehicle Maintenance11100.0%
49390.21TB390.21TBGeneral/Admin10
50396.7A-UOCUnsafe operations - generalVehicle Maintenance11100.0%
Showing 150 of 92

Top Carriers Inspected

20 most frequently inspected carriers at this site

Recent Inspections

335 inspections at this site (page 1 of 14)

Data sources & freshness

FMCSA Vehicle Inspection File
Updated 1 weeks ago