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Freight Carrier/shipper/broker · Williamsburg, IA

R H HUMMER JR INC

2141 P AVENUE · Williamsburg, IA 52361

AUTHORIZED FOR:
(319) 668-8800 Tap to call
  • MC #171214
  • USDOT #341659 USDOT Active
  • 27
    Power Units
  • 21
    Drivers
  • Carrier/shipper/broker
    Entity Type

About this carrier

R H HUMMER JR INC is a Williamsburg, IA freight carrier/shipper/broker that is authorized for: in the state of Iowa. This company has 27 truck(s) in their fleet and 21 truck drivers. Their motor carrier number is MC-171214 and their USDOT number is 341659.

Sourced from FMCSA SAFER · last filed 08/21/2025 · last updated Aug 24, 2026.

Carrier Details

  • Operating Status AUTHORIZED FOR:
  • MCS-150 Filed 08/21/2025
  • MCS-150 Mileage 1,290,000 (2024)

Authority & Operations

Operation Classification
  • Authorized for Hire
Carrier Operation
  • Interstate

Cargo Authorized

  • General Freight
  • Metal Sheets, Coils, Rolls
  • Logs, Poles, Beams, Lumber
  • Machinery, Large Objects
  • Intermodal Containers
  • Grain, Feed, Hay
  • Commodities Dry Bulk
  • Paper Products
  • Agricultural / Farm Supplies
  • Construction

Operating Territory

Map of states where this carrier has roadside inspections Iowa — 12 inspections (past 24 months) South Dakota — 6 inspections (past 24 months) Nebraska — 1 inspection (past 24 months) Illinois — 1 inspection (past 24 months) Missouri — 1 inspection (past 24 months) Kansas — 1 inspection (past 24 months) Georgia — 1 inspection (past 24 months) Minnesota — 1 inspection (past 24 months)

Inspection activity   Inspected in 8 states over the past 24 months: IA (12), SD (6), NE (1), IL (1), MO (1), KS (1), GA (1), MN (1). Home base: Williamsburg, Iowa.

Safety Record

4 Severe Violations Updated Sep 5, 2026

Crashes (24 mo)

  • 0
    Fatal
  • 1
    Injury
  • 3
    Tow
  • 4
    Total

Behavior Categories (BASICs)

CategoryMeasureViolations Unsafe Driving 2.19 5 Crash Indicator Not Public — Hours of Service 0.29 4 Vehicle Maintenance 9.07 5 Drugs / Alcohol 0 0 Hazmat Not Public — Driver Fitness 0.02 1

Inspection Summary

  • 24
    Total
  • 12
    Clean
  • 12
    With violations

24-month window ending Jul 31, 2026

Violations Cited 25 unique codes

Critical 5

  • 392.82DUMTDriver - Using a hand-held mobile telephone2× SW 10
  • 393.75A3-TAOLTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS1× OOS×1 SW 8
  • 393.45B2PCBrake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit1× OOS×1 SW 4
  • 393.45B2-B-AIRAir Brake - Hose/tubing damaged or not secured1× OOS×1 SW 4
  • 393.45(b)(2)Brake hose or tubing chafing and/or kinking1× OOS×1 SW 4

Hours of Service 4

  • 395.3(a)(3)(ii)Driving beyond 8 hour driving limit since the end of the last on duty, off duty, or sleeper period of at least 30 minutes1× SW 7
  • 395.24C2IIIDriver failed to manually add shipping document number2× SW 1
  • 395.3A3-PROPNDriving beyond 11 hour driving limit in a 14 hour period. (Property carrying vehicle) - Nominal Violation1× SW 1
  • 395.22H4Driver failed to maintain supply of blank drivers records of duty status graph-grids1× SW 1

Vehicle Maintenance 13

  • 393.11A1-LBLLighting - Backup lamp missing1× SW 6
  • 393.53(b)CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear2× SW 4
  • 393.47(e)Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt2× SW 4
  • 396.3(a)(1)Brake - Leak from air chamber1× SW 4
  • 393.55(c)(1)Truck Tractor manufactured on or after March 1, 1997 not equipped with an antilock brake system1× SW 4
  • 393.45(d)Brake connections with leaks or constrictions1× SW 4
  • 396.5(b)Oil and/or grease leak2× SW 3
  • 393.11TUTruck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 19971× SW 3
  • 393.11TLTruck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 19971× SW 3
  • 393.11A1-CSLRRConspicuity Systems - Truck tractor, lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 19971× SW 3
  • 393.11No or defective lighting devices or reflective material as required1× SW 3
  • 393.104(a)Inadequate/damaged securement device/system1× SW 1
  • 393.60(c)Windshield - Damaged or Discolored1× SW 1

Unsafe Driving 2

  • 392.2YFailure to yield right of way1× SW 5
  • 392.2-SLLS2State/Local Laws - Speeding 6-10 miles per hour over the speed limit2× SW 4

Driver Fitness 1

  • 383.71HLicense (CDL) - CDL or CLP holder possesses a valid medical certificate but is not on file with the issuing state driver's licensing agency as required1× SW 1

Locations

Physical Address
R H HUMMER JR INC
2141 P AVENUE
WILLIAMSBURG, IA 52361
Mailing Address
R H HUMMER JR INC
PO BOX 70
AMANA, IA 52203

Location on Map

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Related Companies

Other entries in the FMCSA database that share data with this carrier — name, phone, or address overlap. Worth a closer look during vetting.

Same physical address 1

These carriers are registered at the same street + ZIP.

CompanyStatusPower UnitsDriversMC#USDOT#
HUMMER LOGISTICS INC
Williamsburg, IA
USDOT Active Not Authorized0—4126202228068

Same phone number 1

These carriers list the same contact phone number.

CompanyStatusPower UnitsDriversMC#USDOT#
HUMMER LOGISTICS INC
Williamsburg, IA
USDOT Active Not Authorized0—4126202228068

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