Freight Carrier · Rock Springs, WY

MOUNTAIN LINE INC

1948 EDGAR ST · Rock Springs, WY 82901

AUTHORIZED FOR:
(307) 289-4203 Tap to call
  • MC #1194478
  • USDOT #3558740 USDOT Active
  • 71
    Power Units
  • 71
    Drivers
  • Carrier
    Entity Type

About this carrier

MOUNTAIN LINE INC is a Rock Springs, WY freight carrier that is authorized for: in the state of Wyoming. This company has 71 truck(s) in their fleet and 71 truck drivers. Their motor carrier number is MC-1194478 and their USDOT number is 3558740.

Sourced from FMCSA SAFER · last filed 04/23/2026 · last updated Jul 29, 2026.

Carrier Details

  • Operating Status AUTHORIZED FOR:
  • MCS-150 Filed 04/23/2026
  • MCS-150 Mileage 6,167,467 (2026)

Authority & Operations

Operation Classification
  • Authorized for Hire
Carrier Operation
  • Interstate

Cargo Authorized

  • General Freight
  • Motor Vehicles

Operating Territory

Map of states where this carrier has roadside inspections South Dakota — 13 inspections (past 24 months) Washington — 9 inspections (past 24 months) Washington — 9 inspections (past 24 months) New Mexico — 8 inspections (past 24 months) California — 7 inspections (past 24 months) California — 7 inspections (past 24 months) California — 7 inspections (past 24 months) California — 7 inspections (past 24 months) California — 7 inspections (past 24 months) Utah — 7 inspections (past 24 months) Texas — 7 inspections (past 24 months) Texas — 7 inspections (past 24 months) Louisiana — 6 inspections (past 24 months) Illinois — 6 inspections (past 24 months) North Carolina — 6 inspections (past 24 months) North Carolina — 6 inspections (past 24 months) Missouri — 6 inspections (past 24 months) Kansas — 5 inspections (past 24 months) Indiana — 5 inspections (past 24 months) Ohio — 5 inspections (past 24 months) Colorado — 5 inspections (past 24 months) Mississippi — 4 inspections (past 24 months) Montana — 4 inspections (past 24 months) Iowa — 4 inspections (past 24 months) Michigan — 4 inspections (past 24 months) Michigan — 4 inspections (past 24 months) Michigan — 4 inspections (past 24 months) Michigan — 4 inspections (past 24 months) Pennsylvania — 4 inspections (past 24 months) Tennessee — 4 inspections (past 24 months) Arkansas — 4 inspections (past 24 months) Nebraska — 4 inspections (past 24 months) Oregon — 3 inspections (past 24 months) Oregon — 3 inspections (past 24 months) Idaho — 2 inspections (past 24 months) Maryland — 2 inspections (past 24 months) Maryland — 2 inspections (past 24 months) Arizona — 2 inspections (past 24 months) Alabama — 2 inspections (past 24 months) Kentucky — 2 inspections (past 24 months) Minnesota — 1 inspection (past 24 months) Nevada — 1 inspection (past 24 months) Delaware — 1 inspection (past 24 months) Florida — 1 inspection (past 24 months) Florida — 1 inspection (past 24 months) Florida — 1 inspection (past 24 months) New York — 1 inspection (past 24 months) Massachusetts — 1 inspection (past 24 months) Massachusetts — 1 inspection (past 24 months) Massachusetts — 1 inspection (past 24 months) Wyoming — 1 inspection (past 24 months)

Inspection activity   Inspected in 35 states over the past 24 months: SD (13), WA (9), NM (8), CA (7), UT (7), TX (7), LA (6), IL (6), NC (6), MO (6), KS (5), IN (5), +23 more. Home base: Rock Springs, Wyoming.

Safety Record

31 Severe Violations Updated Aug 30, 2026

Crashes (24 mo)

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

Behavior Categories (BASICs)

CategoryMeasureViolations Unsafe Driving 4.59 22 Crash Indicator Not Public Hours of Service 0.33 12 Vehicle Maintenance 5.96 41 Drugs / Alcohol 0 0 Hazmat Not Public Driver Fitness 0.1 3

Inspection Summary

  • 147
    Total
  • 80
    Clean
  • 67
    With violations

24-month window ending Jul 31, 2026

Violations Cited 95 unique codes

Critical 27

  • 392.2-SLLSWZState/Local Laws - Speeding work/construction zone SW 10
  • 392.2-SLLS4State/Local Laws - Speeding 15 or more miles per hour over the speed limit SW 10
  • 393.75A3-TAOLTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS OOS×5 SW 8
  • 391.11B5-LNCDLNVLLicense - Operate a CMV without a valid operators license, issued by one State or jurisdiction OOS×1 SW 8
  • 393.75(a)Flat tire or fabric exposed OOS×1 SW 8
  • 393.75A1-TAORETATires - All others, has more than one ply exposed in the tread area exceeding 2 square inches. OOS×1 SW 8
  • 393.75A1-TFSMFTires - Front, sidewall is cut/worn/damaged exposing ply cord OOS×1 SW 8
  • 393.75A2-TAOBBTires - All others, bump or bulge related to tread or sidewall separation OOS×1 SW 8
  • 393.75A2-TAOTLMTires - All others, 75% of the tread width is loose/missing in excess of 12 inches of circumference OOS×1 SW 8
  • 393.75C-TAOTD-LT2/32Tires - Less than 2/32 inch tread depth SW 8
  • 393.75A1-TEPBMTires - All others - Exposed ply or belt material in tread or sidewall area SW 8
  • 393.75(a)(3)Tire-flat and/or audible air leak SW 8
  • 395.8E-HOSPDELDTHOS (Property) - Tampering with an ELD so that the device does not accurately record and retain required data. Explain: OOS×1 SW 7
  • 393.128B-CLWVLight Weight Vehicles - Improper securement of automobiles, light trucks, and vans OOS×1 SW 7
  • 393.9TSInoperative turn signal OOS×1 SW 6
  • 383.51A-SOUTDriving a CMV while CDL is suspended for safety-related or unknown reason and outside the state of driver's license issuance OOS×1 SW 5
  • 393.45B2-BHTDAir Brake - Hose/tubing damage into the outer reinforcement ply. OOS×2 SW 4
  • 393.48(a)Inoperative/defective brakes OOS×1 SW 4
  • 393.45D-BAALAir Brake - Audible air leak at other than a proper connection OOS×1 SW 4
  • 393.45A-BHTIJAir Brake - Improperly joined such as a splice made by sliding the hose ends over a piece of tubing and clamping the hose to the tube OOS×1 SW 4
  • 396.3A1-BNMHBrake - Non-manufactured hole or crack in the spring brake housing section of a parking brake OOS×1 SW 4
  • 396.3A1-BALRAir Brake - Fails air loss rate test OOS×1 SW 4
  • 396.3A1-FFuel - Dripping leak. OOS×1 SW 3
  • 393.110(b)Insufficient tiedowns to prevent forward movement for load not blocked by headerboard, bulkhead, or other cargo OOS×1 SW 3
  • 396.5A-HNLHubs - No visible or measurable lubricant showing in the hub OOS×1 SW 2
  • 392.9A2-CCargo - Vehicle components or dunnage not secured 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/combination OOS×5 SW 0

Unsafe Driving 8

  • 392.2-SLLS3State/Local Laws - Speeding 11-14 miles per hour over the speed limit SW 7
  • 392.16ADDriver - Failed to use seat belt while operating a CMV. SW 7
  • 392.16Failing to use seat belt while operating a CMV 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, other SW 5
  • 392.2-SLLMLState/Local Laws - Failure to maintain lane SW 5
  • 392.2-SLLS2State/Local Laws - Speeding 6-10 miles per hour over the speed limit SW 4
  • 392.2-SLLLRState/Local Laws - Lane restriction violation SW 3
  • 392.22A-DDriver - Failed to activate hazard warning signal flashers SW 1

Hours of Service 9

  • 395.8E-HOSPDHOS (Property) - No driver may make a false report in connection with a duty status. Explain SW 7
  • 395.30E-ELDMCCDHOS (ELD) - Motor carrier coerced a driver to make a false certification of the driver's data entries or record of duty status. SW 7
  • 395.24C2II-ELDTNHOS (ELD) - Driver failing to manually input or verify CMV trailer number. SW 1
  • 395.30B1-ELDDFRHOS (ELD) - Driver failing to review records and certify the accuracy of the information. SW 1
  • 395.24HOS (ELD) - ELD Form and Manner SW 1
  • 395.24C2III-ELDSDNHOS (ELD) - Driver failing to manually input or verify shipping document number. SW 1
  • 395.30B1Driver failed to certify the accuracy of the information gathered by the ELD SW 1
  • 395.24C2IIIDriver failed to manually add shipping document number SW 1
  • 395.22H4-ELDBRODSHOS (ELD) - In-Vehicle Information - Failing to have a supply of blank driver's records of duty status graph-grids sufficient to record the driver's duty status and other related information for a minimum of 8 days. SW 1

Vehicle Maintenance 50

  • 393.207A-SAPPCBLMSuspension - Axle positioning part cracked/broken/loose/missing. SW 7
  • 393.9A-LTSIRLighting - Turn signal -Any inoperative on a unit that is not the rearmost unit SW 6
  • 393.9A-LSLILighting - Stop lamps - Any inoperative. SW 6
  • 393.9A-LRLILighting - Tail lamp - Any inoperative SW 6
  • 393.25(f)Stop lamp violations SW 6
  • 393.19Inoperative/Defective Hazard Warning Lamp SW 6
  • 393.11A1-LCHLLighting - Lamps improper color, height, location. SW 6
  • 393.9TInoperable tail lamp SW 6
  • 393.9A-LFTSILighting - Front - Turn signal - inoperative SW 6
  • 393.9(a)Inoperative Brake Lamps SW 6
  • 393.55E-BAir Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 SW 4
  • 393.47(e)Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt 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 wear SW 4
  • 396.3A1-BALACBrake - Audible air leak from a brake chamber SW 4
  • 393.55(d)(3)No or Defective ABS Malfunction Indicator for towed vehicles on vehicles manufactured after February 2001 SW 4
  • 396.9(d)(2)Failure to correct defects noted on previous inspection report SW 4
  • 393.55D2-BAir Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1, 2001 for towed vehicle. SW 4
  • 393.55C1-BAir Brake - Truck-tractor manufactured on or after March 1, 1997, not equipped with an ABS system. System does not function or indicates a fault. SW 4
  • 393.53(b)CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear SW 4
  • 396.17C-PIOperating a CMV without documentation of a periodic inspection SW 4
  • 393.48A-BMBCBDDrum Brake - Missing/broken component(s) SW 4
  • 393.47A-BCFSBDDrum Brake - Contaminated friction surface SW 4
  • 393.48A-BIBDDrum Brake - Inoperative other than a steering axle SW 4
  • 393.45B2PCBrake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit SW 4
  • 393.45C-BSGAir Brake - Missing or inadequate Nonmetallic tubing spring guard SW 4
  • 393.45D-BAir Brake - Audible air leak at a proper connection SW 4
  • 393.11A1-CSURRConspicuity Systems - Truck tractor, upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997 SW 3
  • 393.13(c)(2)No Lower Rear retroreflective sheeting or reflex reflective material as required for vehicles manufactured before December 1993 SW 3
  • 393.11TUTruck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 1997 SW 3
  • 393.11B-CSURRConspicuity Systems - Trailers, upper rear retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 1993 SW 3
  • 393.11B-CSRIGRRConspicuity Systems - Trailers, rear impact guard retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 1993 SW 3
  • 393.11A1-LRRLighting - Reflex reflector(s) missing or improper SW 3
  • 393.11No or defective lighting devices or reflective material as required SW 3

Driver Fitness 1

Locations

Physical Address
MOUNTAIN LINE INC
1948 EDGAR ST
ROCK SPRINGS, WY 82901
Mailing Address
Same as physical.

Location on Map