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SIX FEET UNDER LLC
Clear Lake, SD
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating, crash records and out-of-service rates checked
FMCSA status: Active & Authorized · DOT 3756767 · MC 1335822
No Safety Rating
Active 3 yrs, 6 mo · first granted 2021
Broker Vetting Summary
Key signals from current FMCSA records
Authority
Active
MC-1335822 · Common carrier
Insurance
On File
Great West Casualty Co.
Safety
Not Rated
3 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Operating authority active 3 yrs, 6 mo since reinstatement on April 14, 2023; first granted December 14, 2021 (4 yrs, 10 mo ago)
- Insurance on file: $1,000,000
- 3 FMCSA inspections on record
Authority & Compliance
Authority, insurance and required filings
Operating Authority
MC1335822
Common Carrier
Insurance on File
GREAT WEST CASUALTY CO.
BI&PD · $1,000,000 · Policy GRT38852A
Required Filings
Liability (BIPD)
$1,000,000
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
3756767
MC Number
MC-1335822
Safety Rating
Not Rated
Operation Classification
Authorized for hire, Exempt for hire, Private (property)
MCS-150 Filed
July 5, 2024
FMCSA Registration
November 2, 2021
Authority First Granted
December 14, 2021
Authority Reinstated
April 14, 2023
Annual Mileage
2,400 mi (2023)
Contact Information
Address
17937 Sd Highway 15, Clear Lake, SD 57226
Phone
Email
Owner / Officer
Shiann Spilde
Officer 2
Matt Spilde
Cargo Types
General FreightMachinery/Large ObjectsLiquids/GasesOilfield EquipmentLivestockGrain/FeedFarm SuppliesWater/WellOther Cargo
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
3
Driver Inspections
3
Vehicle Inspections
0
Out-of-Service Violations
0
Violations by Category
Vehicle Maintenance0
Unsafe Driving0
Hours of Service0
OOS Rates vs. National Average
Inspection Trend by Year
2026
2025
2024
Violation Rate by Category
Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.
Unsafe Driving
0 of 1 inspections
Hours of Service
0 of 1 inspections
Driver Fitness
0 of 1 inspections
Controlled Substances
0 of 1 inspections
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
IA1
SD1
Fleet & Equipment (4)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~2
of 2 reported to FMCSA
Trailers
~2
seen at inspection
Equipment types observed
Tractor
2
Flatbed
1
Livestock
1
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2018 Transtech Transtech Ltd Trailer | Flatbed · 47 ft | 1T9B47309J1114084 | 1 | — |
| 2022 Wilson | Livestock · 53 ft | 1W1K65337N5562679 | 1 | — |
| 1999 Peterbilt 379 | Tractor · Class 8 | 1XP5DU9X3XN476613 | 1 | — |
| 2014 Peterbilt 382 | Tractor · Class 8 | 1XP9DB9X3EN165752 | 1 | — |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
Inspection Details
Each roadside inspection with its violations
Inspection Records (3)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| October 9, 2026 | HP17900089 | BROOKINGS SD | III | — | — | — | Truck Tractor Semi-trailer |
KENWORTH UNKNOWN |
1XKADR9X7TS663009 1L4B3833XD1012550 |
SD PR55660 SD 31454P |
| May 7, 2025 | 5280002079 | CANTON SD | III | — | — | SELF | Truck Tractor Semi-trailer |
PETERBILT TRANSTECH |
1XP5DU9X3XN476613 1T9B47309J1114084 |
SD PR53854 SD U157986 |
| May 23, 2024 | 000P1684TK | 37 - I29 SB MM 132 SALIX, IA | III | 3 | — | SIX FEET UNDER LLC | Truck Tractor Semi-trailer |
PETERBILT WILSON |
1XP9DB9X3EN165752 1W1K65337N5562679 |
SD PR50332 MN 7908STY |
| 392.2-SLLEWG3 | State/Local Laws - Excessive weight - More than 5000 lbs over on allowable gross weight | |||||||||
| 392.2-SLLEWA3 | State/Local Laws - Excessive weight - More than 5000 lbs over on an axle/axle groups | |||||||||
| 392.2-SLLEWA3 | State/Local Laws - Excessive weight - More than 5000 lbs over on an axle/axle groups | |||||||||
History & Filings
Authority, insurance and process-agent records
Authority History
| Date | Status | Type |
|---|---|---|
| April 14, 2023 | REINSTATED | Common Carrier |
| November 28, 2022 | REVOKED | Common Carrier |
| December 14, 2021 | GRANTED | Common Carrier |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| April 11, 2025 | BI&PD Primary/Excess | On file |
| October 26, 2022 | COMMON | On Record |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: October 18, 2026.
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