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Freight Carrier/shipper · Rock Springs, WY

JOHN BUNNING TRANSFER CO INC

1600 ELK ST · Rock Springs, WY 82901

AUTHORIZED FOR:
(307) 362-3791 Tap to call
  • MC #25518
  • USDOT #100378 USDOT Active
  • 82
    Power Units
  • 36
    Drivers
  • Carrier/shipper
    Entity Type

About this carrier

JOHN BUNNING TRANSFER CO INC is a Rock Springs, WY freight carrier/shipper that is authorized for: in the state of Wyoming. This company has 82 truck(s) in their fleet and 36 truck drivers. Their motor carrier number is MC-25518 and their USDOT number is 100378.

Sourced from FMCSA SAFER · last filed 06/17/2025 · last updated Jun 24, 2026.

Carrier Details

  • Operating Status AUTHORIZED FOR:
  • MCS-150 Filed 06/17/2025
  • MCS-150 Mileage 2,348,616 (2021)

Authority & Operations

Operation Classification
  • Authorized for Hire
Carrier Operation
  • Interstate

Cargo Authorized

  • General Freight
  • Machinery, Large Objects
  • Oilfield Equipment
  • Commodities Dry Bulk
  • Construction

Operating Territory

Map of states where this carrier has roadside inspections Wyoming — 18 inspections (past 24 months) Utah — 3 inspections (past 24 months) Colorado — 2 inspections (past 24 months) South Dakota — 2 inspections (past 24 months) Texas — 1 inspection (past 24 months) Texas — 1 inspection (past 24 months)

Inspection activity   Inspected in 5 states over the past 24 months: WY (18), UT (3), CO (2), SD (2), TX (1). Home base: Rock Springs, Wyoming.

Safety Record

SATISFACTORY 5 Severe Violations Updated Jul 18, 2026

Out of Service Rates (24 mo)

TypeThis carrierNational avg Vehicle 23.1% 23.4% Driver 0% 6.7% Hazmat 0% 4.4%

Crashes (24 mo)

  • 0
    Fatal
  • 1
    Injury
  • 1
    Tow
  • 2
    Total

Behavior Categories (BASICs)

CategoryMeasureViolations Unsafe Driving 0.37 3 Crash Indicator Not Public — Hours of Service 0.12 1 Vehicle Maintenance 6.16 10 Drugs / Alcohol 0 0 Hazmat Not Public — Driver Fitness 0 0

Inspection Summary

  • 26
    Total
  • 15
    Clean
  • 11
    With violations

24-month window ending Jun 26, 2026

Violations Cited 29 unique codes

Critical 12

  • 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
  • 396.3A1-TFCVTires - Front, in contact with a part of the vehicle1× OOS×1 SW 8
  • 393.75A1-TEPBMTires - All others - Exposed ply or belt material in tread or sidewall area1× SW 8
  • 396.3A1-TAOCVTires - All others, in contact with a part of the vehicle1× SW 8
  • 393.9A-LSLIWRLighting - Stop lamps - Both inoperative when required to be on1× OOS×1 SW 6
  • 393.45B2-B-AIRAir Brake - Hose/tubing damaged or not secured2× OOS×1 SW 4
  • 393.45B2-BHTDAir Brake - Hose/tubing damage into the outer reinforcement ply.1× OOS×1 SW 4
  • 393.45A-BHTBSAir Brake - Hose/tubing with a bulge/swelling when air pressure is applied1× OOS×1 SW 4
  • 393.110B3-CCargo - Insufficient tiedowns (w/o headerboard/blocking) for article(s) of cargo longer than 10 feet1× OOS×1 SW 3
  • 396.5B-HWSLHubs - Wheel seal leaking2× OOS×2 SW 2
  • 392.9A2-CCargo - Vehicle components or dunnage not secured1× OOS×1 SW 1
  • 396.3(a)1BOSBrake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination1× OOS×1 SW 0

Unsafe Driving 2

  • 392.16-DDriver - Failed to use seat belt while operating a CMV1× SW 7
  • 392.2-SLLTCDState/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other2× SW 5

Vehicle Maintenance 14

  • 393.9A-HLLHLighting - Headlamp(s) fail to operate on low and high beam1× SW 6
  • 393.9A-LBLLighting - Backup lamp inoperative1× SW 6
  • 393.9A-LSLILighting - Stop lamps - Any inoperative.1× SW 6
  • 393.45D-BAir Brake - Audible air leak at a proper connection3× SW 4
  • 396.17C-PIOperating a CMV without documentation of a periodic inspection2× SW 4
  • 393.55(e)No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/19981× SW 4
  • 393.55D2-BAir Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1, 2001 for towed vehicle.1× SW 4
  • 393.53B-BAir Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear1× SW 4
  • 393.47(e)Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt1× SW 4
  • 393.47A-BCLMBDDrum Brake - Cracked/loose/missing lining/pad1× SW 4
  • 393.47A-BCFSADAir Disc Brake - Contaminated friction surface1× SW 4
  • 393.95(f)Emergency Equipment - Stopped vehicle warning devices missing or improper1× SW 2
  • 393.9A-LCLLighting - Clearance lamp(s) inoperative1× SW 2
  • 393.60(c)Windshield - Damaged or Discolored2× SW 1

Hours of Service 1

  • 395.8F1-HOSMHOS (Manner) - Driver's record of duty status not current to the time shown for last change of duty status. Date and Time:1× SW 5

Locations

Physical Address
JOHN BUNNING TRANSFER CO INC
1600 ELK ST
ROCK SPRINGS, WY 82901
Mailing Address
JOHN BUNNING TRANSFER CO INC
PO BOX 128
ROCK SPRINGS, WY 82902

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