Freight Carrier/broker · Williamsburg, IA
R H HUMMER JR INC
2141 P AVENUE · Williamsburg, IA 52361
Authorized: Property
(319) 668-8800
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- MC #171214
- USDOT #341659 USDOT Active
- 27Power Units
- 21Drivers
- Carrier/brokerEntity Type
About this carrier
R H HUMMER JR INC is a Williamsburg, IA freight carrier/broker that is authorized for property 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 May 30, 2026.Carrier Details
- Operating Status AUTHORIZED FOR Property
- 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
- Building Materials
- Machinery, Large Objects
- Intermodal Containers
- Grain, Feed, Hay
- Commodities Dry Bulk
- Paper Products
- Agricultural / Farm Supplies
- Construction
Operating Territory
Inspection activity Inspected in 9 states over the past 24 months: IA (12), SD (6), MN (2), IL (1), MO (1), KS (1), GA (1), KY (1), AR (1). Home base: Williamsburg, Iowa.
Safety Record
Crashes (24 mo)
-
0Fatal
- 1Injury
- 3Tow
- 4Total
Behavior Categories (BASICs)
CategoryMeasureViolations
Unsafe Driving
1.54
5
Crash Indicator
Not Public
—
Hours of Service
0.29
4
Vehicle Maintenance
6.83
4
Drugs / Alcohol
0
0
Hazmat
Not Public
—
Driver Fitness
0.02
1
Inspection Summary
- 26Total
- 15Clean
- 11With violations
24-month window ending May 15, 2026
Violations Cited 24 unique codes
Critical 4
- 392.82DUMTDriver - Using a hand-held mobile telephone
- 393.75A3-TAOLTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS
- 393.45B2PCBrake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit
- 393.45(b)(2)Brake hose or tubing chafing and/or kinking
Unsafe Driving 4
- 392.16Failing to use seat belt while operating a CMV
- 392.2-SLLS3State/Local Laws - Speeding 11-14 miles per hour over the speed limit
- 392.2YFailure to yield right of way
- 392.2-SLLS2State/Local Laws - Speeding 6-10 miles per hour over the speed limit
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 minutes
- 395.24C2IIIDriver failed to manually add shipping document number
- 395.3A3-PROPNDriving beyond 11 hour driving limit in a 14 hour period. (Property carrying vehicle) - Nominal Violation
- 395.22H4Driver failed to maintain supply of blank drivers records of duty status graph-grids
Vehicle Maintenance 11
- 393.53(b)CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear
- 393.47(e)Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt
- 396.3(a)(1)Brake - Leak from air chamber
- 393.55(c)(1)Truck Tractor manufactured on or after March 1, 1997 not equipped with an antilock brake system
- 393.45(d)Brake connections with leaks or constrictions
- 396.5(b)Oil and/or grease leak
- 393.11TUTruck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 1997
- 393.11TLTruck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997
- 393.11No or defective lighting devices or reflective material as required
- 393.104(a)Inadequate/damaged securement device/system
- 393.60(c)Windshield - Damaged or Discolored
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 required
Locations
Physical Address
R H HUMMER JR INC2141 P AVENUE
WILLIAMSBURG, IA 52361
Mailing Address
R H HUMMER JR INCPO BOX 70
AMANA, IA 52203