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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
  • 67
    Power Units
  • 67
    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 67 truck(s) in their fleet and 67 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 Jun 14, 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) New Mexico — 8 inspections (past 24 months) Illinois — 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) California — 7 inspections (past 24 months) Utah — 6 inspections (past 24 months) Texas — 6 inspections (past 24 months) Texas — 6 inspections (past 24 months) Washington — 6 inspections (past 24 months) Washington — 6 inspections (past 24 months) Indiana — 5 inspections (past 24 months) Colorado — 5 inspections (past 24 months) Montana — 4 inspections (past 24 months) Mississippi — 4 inspections (past 24 months) North Carolina — 4 inspections (past 24 months) North Carolina — 4 inspections (past 24 months) Tennessee — 4 inspections (past 24 months) Kansas — 4 inspections (past 24 months) Louisiana — 4 inspections (past 24 months) Michigan — 3 inspections (past 24 months) Michigan — 3 inspections (past 24 months) Michigan — 3 inspections (past 24 months) Michigan — 3 inspections (past 24 months) Ohio — 3 inspections (past 24 months) Nebraska — 3 inspections (past 24 months) Iowa — 3 inspections (past 24 months) Missouri — 3 inspections (past 24 months) Arkansas — 3 inspections (past 24 months) Kentucky — 3 inspections (past 24 months) Oregon — 3 inspections (past 24 months) Oregon — 3 inspections (past 24 months) Pennsylvania — 2 inspections (past 24 months) Idaho — 2 inspections (past 24 months) Alabama — 2 inspections (past 24 months) Maryland — 2 inspections (past 24 months) Maryland — 2 inspections (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) Nevada — 1 inspection (past 24 months) Minnesota — 1 inspection (past 24 months) Arizona — 1 inspection (past 24 months) Wyoming — 1 inspection (past 24 months)

Inspection activity   Inspected in 33 states over the past 24 months: SD (13), NM (8), IL (7), CA (7), UT (6), TX (6), WA (6), IN (5), CO (5), MT (4), MS (4), NC (4), +21 more. Home base: Rock Springs, Wyoming.

Safety Record

26 Severe Violations Updated 17 hr ago

Crashes (24 mo)

  • 0
    Fatal
  • 1
    Injury
  • 2
    Tow
  • 3
    Total

Behavior Categories (BASICs)

CategoryMeasureViolations Unsafe Driving 4.75 20 Crash Indicator Not Public — Hours of Service 0.26 11 Vehicle Maintenance 6.13 36 Drugs / Alcohol 0 0 Hazmat Not Public — Driver Fitness 0.04 2

Inspection Summary

  • 125
    Total
  • 66
    Clean
  • 59
    With violations

24-month window ending May 15, 2026

Violations Cited 89 unique codes

Critical 25

  • 392.2-SLLS4State/Local Laws - Speeding 15 or more miles per hour over the speed limit2× SW 10
  • 392.2-SLLSWZState/Local Laws - Speeding work/construction zone2× SW 10
  • 392.2-SLLTState/Local Laws - Operating a CMV while texting1× SW 10
  • 393.75A3-TAOLTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS3× OOS×3 SW 8
  • 391.11B5-LNCDLNVLLicense - Operate a CMV without a valid operators license, issued by one State or jurisdiction1× OOS×1 SW 8
  • 393.75A2-TAOBBTires - All others, bump or bulge related to tread or sidewall separation1× OOS×1 SW 8
  • 393.75(a)Flat tire or fabric exposed1× OOS×1 SW 8
  • 393.75A1-TFSMFTires - Front, sidewall is cut/worn/damaged exposing ply cord1× OOS×1 SW 8
  • 393.75A1-TAORETATires - All others, has more than one ply exposed in the tread area exceeding 2 square inches.1× OOS×1 SW 8
  • 393.75C-TAOTD-LT2/32Tires - Less than 2/32 inch tread depth2× SW 8
  • 393.75A1-TEPBMTires - All others - Exposed ply or belt material in tread or sidewall area1× SW 8
  • 393.75(a)(3)Tire-flat and/or audible air leak1× SW 8
  • 393.128B-CLWVLight Weight Vehicles - Improper securement of automobiles, light trucks, and vans1× OOS×1 SW 7
  • 393.9TSInoperative turn signal2× OOS×1 SW 6
  • 393.45B2-BHTDAir Brake - Hose/tubing damage into the outer reinforcement ply.2× OOS×2 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 tube1× OOS×1 SW 4
  • 393.45D-BAALAir Brake - Audible air leak at other than a proper connection1× OOS×1 SW 4
  • 396.3A1-BNMHBrake - Non-manufactured hole or crack in the spring brake housing section of a parking brake1× OOS×1 SW 4
  • 393.48(a)Inoperative/defective brakes1× OOS×1 SW 4
  • 396.3A1-BALRAir Brake - Fails air loss rate test1× OOS×1 SW 4
  • 396.3A1-FFuel - Dripping leak.1× OOS×1 SW 3
  • 393.110(b)Insufficient tiedowns to prevent forward movement for load not blocked by headerboard, bulkhead, or other cargo1× OOS×1 SW 3
  • 396.5A-HNLHubs - No visible or measurable lubricant showing in the hub1× OOS×1 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/combination5× OOS×5 SW 0

Unsafe Driving 7

  • 392.2-SLLS3State/Local Laws - Speeding 11-14 miles per hour over the speed limit4× SW 7
  • 392.16Failing to use seat belt while operating a CMV1× SW 7
  • 392.16ADDriver - Failed to use seat belt while operating a CMV.1× 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
  • 392.2-SLLMLState/Local Laws - Failure to maintain lane2× SW 5
  • 392.2-SLLS2State/Local Laws - Speeding 6-10 miles per hour over the speed limit3× SW 4
  • 392.2-SLLLRState/Local Laws - Lane restriction violation3× SW 3

Vehicle Maintenance 48

  • 393.207A-SAPPCBLMSuspension - Axle positioning part cracked/broken/loose/missing.1× SW 7
  • 393.9A-LRLILighting - Tail lamp - Any inoperative2× SW 6
  • 393.9A-LSLILighting - Stop lamps - Any inoperative.2× SW 6
  • 393.9A-LTSIRLighting - Turn signal -Any inoperative on a unit that is not the rearmost unit2× SW 6
  • 393.9A-LFTSILighting - Front - Turn signal - inoperative1× SW 6
  • 393.9(a)Inoperative Brake Lamps1× SW 6
  • 393.9TInoperable tail lamp1× SW 6
  • 393.11A1-LCHLLighting - Lamps improper color, height, location.1× SW 6
  • 393.25(f)Stop lamp violations1× SW 6
  • 393.19Inoperative/Defective Hazard Warning Lamp1× SW 6
  • 393.47(e)Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt5× SW 4
  • 393.55E-BAir Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 19985× SW 4
  • 396.3A1-BALACBrake - Audible air leak from a brake chamber2× 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 wear2× SW 4
  • 393.45B2PCBrake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit1× SW 4
  • 396.9(d)(2)Failure to correct defects noted on previous inspection report1× SW 4
  • 396.17C-PIOperating a CMV without documentation of a periodic inspection1× SW 4
  • 393.55(d)(3)No or Defective ABS Malfunction Indicator for towed vehicles on vehicles manufactured after February 20011× 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
  • 393.55C1-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.1× SW 4
  • 393.53(b)CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear1× SW 4
  • 393.48A-BIBDDrum Brake - Inoperative other than a steering axle1× SW 4
  • 393.45D-BAir Brake - Audible air leak at a proper connection1× SW 4
  • 393.45C-BSGAir Brake - Missing or inadequate Nonmetallic tubing spring guard1× SW 4
  • 393.47A-BCFSBDDrum Brake - Contaminated friction surface1× SW 4
  • 393.48A-BMBCBDDrum Brake - Missing/broken component(s)1× SW 4
  • 393.11No or defective lighting devices or reflective material as required1× SW 3
  • 393.11A1-CSURRConspicuity Systems - Truck tractor, upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 19971× SW 3
  • 393.11A1-LRRLighting - Reflex reflector(s) missing or improper1× SW 3
  • 393.11B-CSURRConspicuity Systems - Trailers, upper rear retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 19931× SW 3
  • 393.13(c)(2)No Lower Rear retroreflective sheeting or reflex reflective material as required for vehicles manufactured before December 19931× SW 3
  • 393.11TUTruck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 19971× SW 3
  • 393.9A-LILLighting - Identification lamp(s) inoperative5× SW 2
  • 393.95(a)No/discharged/unsecured fire extinguisher4× SW 2
  • 393.9Inoperable Required Lamp3× SW 2
  • 393.203C-CBPCab and Body Parts - Hood not securely fastened1× SW 2
  • 393.201D-FRFrame - Accessories improperly attached1× SW 2
  • 393.9A-LSMLLighting - Side marker lamp(s) inoperative1× SW 2
  • 393.9A-LLPLLighting - License plate lamp inoperative1× SW 2
  • 393.95A4-EEUSEmergency Equipment - Fire Extinguishers - unsecured1× SW 2
  • 393.95A4-EENAEmergency Equipment - Fire Extinguishers - not readily accessible1× SW 2
  • 393.95(f)Emergency Equipment - Stopped vehicle warning devices missing or improper1× SW 2
  • 393.88Television/video display device - Improperly located1× SW 2

Hours of Service 8

Driver Fitness 1

Locations

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

Location on Map

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