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FLAT RATE INC
Big Stone City, SD
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating, crash records and out-of-service rates checked
FMCSA status: Active & Authorized · DOT 2050702 · MC 727033
No Safety Rating
Active 5 yrs, 11 mo · first granted 2010
Broker Vetting Summary
Key signals from current FMCSA records
Authority
Active
MC-727033 · Common carrier
Insurance
On File
Acuity, A Mutual Insurance Company
Safety
Not Rated
8.3% OOS · 42 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Operating authority active 5 yrs, 11 mo since reinstatement on November 4, 2020; first granted October 25, 2010 (15 yrs, 11 mo ago)
- Insurance on file: $750,000
- Vehicle out-of-service rate 18.2% — below the 20.7% national average
- Driver out-of-service rate 0.0% — below the 5.5% national average
- 42 FMCSA inspections on record
Authority & Compliance
Authority, insurance and required filings
Operating Authority
MC727033
Contract Carrier
Insurance on File
ACUITY, A MUTUAL INSURANCE COMPANY
BI&PD · $750,000 · Policy CA-ZY1803
Required Filings
Liability (BIPD)
$750,000
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
2050702
MC Number
MC-727033
Safety Rating
Not Rated
Operation Classification
Authorized for hire
MCS-150 Filed
July 11, 2025
FMCSA Registration
June 29, 2010
Authority First Granted
October 25, 2010
Authority Reinstated
November 4, 2020
Annual Mileage
1,382,516 mi (2025)
Contact Information
Address
14515 485th Ave, Big Stone City, SD 57216
Phone
Email
Owner / Officer
Nathan Henrich
Officer 2
Molly Henrich
Cargo Types
General FreightMotor VehiclesLogs/Poles/BeamsBuilding MaterialsMachinery/Large ObjectsGrain/FeedFarm SuppliesConstruction MaterialsOther Cargo
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
42
Driver Inspections
28
Vehicle Inspections
18
Out-of-Service Violations
8
Violations by Category
Vehicle Maintenance17
Unsafe Driving7
Hours of Service1
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate18.2% · national avg 20.7%
✓ Below national average
8.3% of 24 inspections in the last 24 months put a driver or vehicle out of service —
20th percentile among carriers with 10–24 inspections (lower is better).
CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
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.
Vehicle Maintenance
6 of 12 inspections
Unsafe Driving
5 of 27 inspections
Hours of Service
0 of 27 inspections
Driver Fitness
0 of 27 inspections
Controlled Substances
0 of 27 inspections
Crash History (3)
Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
3
Crashes
0
Fatalities
1
Injuries
3
Tow-aways
| Date | State | Fatal | Injured | Tow | Conditions |
|---|---|---|---|---|---|
| August 6, 2026 | SD | — | 1 | Yes | No Adverse Conditions · Daylight · Dry |
| June 9, 2026 | SD | — | — | Yes | Other · Daylight · Dry |
| March 20, 2026 | ND | — | — | Yes | No Adverse Conditions · Daylight · Dry |
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
SD16
MN9
ND4
TX2
AR1
WA1
and 1 more state
Fleet & Equipment (38)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~23
of 51 reported to FMCSA
Trailers
~15
seen at inspection
Equipment types observed
Tractor
11
Dump
9
Truck
9
Flatbed
4
Chassis / Incomplete
2
Dry Van
1
Not Applicable
1
Semi-trailer
1
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2023 Mack Anthem | Tractor · Class 8 | 1M1AN4GY6PM034696 | 3 | — |
| 2024 Mack Anthem | Tractor · Class 8 | 1M1AN4NY5RM001002 | 3 | — |
| 2024 Mack Anthem | Tractor · Class 8 | 1M1AN4NY7RM001003 | 3 | — |
| 2021 Smithco Manufacturing | Dump · 49 ft | 1S9SS4931ML476129 | 3 | — |
| 2021 Smithco Manufacturing | Dump · 49 ft | 1S9SS4934ML476402 | 3 | — |
| 2021 Smithco Manufacturing | Dump · 49 ft | 1S9SS4938ML476130 | 3 | — |
| Unknown | Semi-trailer | 1K9BF45G5NL366358 | 2 | — |
| 2023 Mack Anthem | Tractor · Class 8 | 1M1AN4GY7PM034691 | 2 | 1 |
| 2024 Mack Anthem | Tractor · Class 8 | 1M1AN4NY3RM001001 | 2 | — |
| 2025 Peterbilt 567 | Truck · Class 8 | 1NPCXPTX2SD727333 | 2 | — |
Show all 38 units
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2023 Smithco Manufacturing | Dump · 49 ft | 1S9SS4939PL476299 | 2 | — |
| 2021 Smithco Manufacturing | Dump · 49 ft | 1S9SS493XML476131 | 2 | — |
| 2015 Peterbilt 389 | Tractor · Class 8 | 1XPXP4EX3FD281976 | 2 | — |
| 2025 Aspen Custom Trailers | Flatbed · 60 ft | 2A9LB6032SN125171 | 2 | — |
| 2015 Ford F-550 | Chassis / Incomplete · Class 5 | 1FD0W5HT9FED07250 | 1 | 1 |
| 2023 Mack Anthem | Tractor · Class 8 | 1M1AN4GY3PM034686 | 1 | — |
| 2021 Mack Pinnacle | Tractor · Class 8 | 1M1PN4GY9MM007692 | 1 | — |
| 2013 Mack MRU (TerraPro) | Truck · Class 8 | 1M2AV04C4DM010289 | 1 | — |
| 2022 Mack Terrapro | Truck · Class 8 | 1M2TE2NC4NM001144 | 1 | 1 |
| 2024 Mack Terrapro | Truck · Class 8 | 1M2TE4RC1RM001114 | 1 | — |
| 2025 Peterbilt 567 | Truck · Class 8 | 1NPCLP0X6SD727335 | 1 | — |
| 2025 Peterbilt 567 | Truck · Class 8 | 1NPCLP0X8SD727336 | 1 | — |
| 2024 Peterbilt 567 | Truck · Class 8 | 1NPCX4TX0RD655539 | 1 | — |
| 2024 Peterbilt 567 | Truck · Class 8 | 1NPCX4TX7RD655537 | 1 | — |
| 2025 Peterbilt 567 | Truck · Class 8 | 1NPCXPTX4SD727334 | 1 | — |
| Ptrb | Tractor | 1NPXGGGG20D321402 | 1 | — |
| 2022 Smithco Manufacturing | Dump · 49 ft | 1S9SS4939NL476445 | 1 | 1 |
| 2021 Smithco Manufacturing | Dump · 49 ft | 1S9SS493XML476128 | 1 | — |
| 2025 Smithco Manufacturing | Dump · 53 ft | 1S9SS5330SL476375 | 1 | — |
| 2025 Smithco Manufacturing | Dump · 53 ft | 1S9SS5332SL476376 | 1 | — |
| 2027 Peterbilt 567 | Not Applicable · Class 8 | 1XPCDP9X5VD842700 | 1 | — |
| 2017 Peterbilt 567 | Tractor · Class 8 | 1XPCP49X2HD449280 | 1 | — |
| 2018 Peterbilt 389 | Tractor · Class 8 | 1XPXDP9X7JD489078 | 1 | — |
| 2022 Ram 5500 | Chassis / Incomplete · Class 5 | 3C7WRNDL3NG186396 | 1 | — |
| 2020 Aero Trailers | Dry Van · 16 ft | 4A9BC1623LW040530 | 1 | 1 |
| 2018 Midsota Manufacturing | Flatbed · 32 ft | 57MGF3229JA002388 | 1 | 1 |
| 2022 Manac Trailers Usa Manac | Flatbed · 48 ft | 5MC124810N3209554 | 1 | — |
| 2022 Manac Trailers Usa Manac | Flatbed · 48 ft | 5MC124819N3209553 | 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 (42)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| October 8, 2026 | HP16800663 | GROTON SD | III | 1 | — | NA | Straight Truck |
MACK |
1M2TE4RC1RM001114 |
SD PR52192 |
| 392.2-SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Speeding 2 | ||||||||
| September 29, 2026 | 5180002353 | CASTLEWOOD SD | II | — | — | FLATE RATE | Straight Truck |
PETERBILT |
1NPCX4TX0RD655539 |
SD PR49738 |
| September 24, 2026 | 5060000648 | SISSETON SD | II | 1 | 1 | N/A | Straight Truck |
MACK |
1M2GR2NC5NM002373 |
SD PR44586 |
| 393.75A3-TAOL | OOSTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Tires | ||||||||
| September 16, 2026 | 1625000330 | WORTHINGTON MN | I | — | — | CARRIER | Straight Truck |
PETERBILT |
1NPCX4TX7RD655537 |
SD PR50644 |
| August 25, 2026 | HP16800594 | SELBY SD | III | 4 | — | WDS | Truck Tractor Semi-trailer |
PETERBILT UNKNOWN |
1XPCDP9X5VD842700 1K9BF45G5NL366358 |
SD PR57049 SD 21215P |
| 392.2-SLLEWG2 | State/Local Laws - Excessive weight - 2501-5000 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 | |||||||||
| 392.2-SLLEWA2 | State/Local Laws - Excessive weight - 2501-5000 lbs over on an axle/axle groups | |||||||||
| July 2, 2026 | HP16800510 | WEBSTER SD | III | — | — | FLAT RATE INC | Straight Truck Semi-trailer |
PETERBILT SMITHCO MANUFACTURING |
1NPCLP0X6SD727335 1S9SS5332SL476376 |
SD PR52193 SD 29926P |
| June 11, 2026 | 5110001970 | MILBANK SD | III | 4 | — | FLAT RATE | Truck Tractor Semi-trailer |
MACK ROADWAY TR |
1M1PN4GY9MM007692 1K9BF45G5NL366358 |
SD PR56475 SD 21215P |
| 392.2-SLLEWA2 | State/Local Laws - Excessive weight - 2501-5000 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 | |||||||||
| 392.2-SLLEWA3 | State/Local Laws - Excessive weight - More than 5000 lbs over on an axle/axle groups | |||||||||
| 392.2-SLLEWG2 | State/Local Laws - Excessive weight - 2501-5000 lbs over on allowable gross weight | |||||||||
| June 10, 2026 | 0750001338 | HECLA SD | II | 1 | — | DUININCK CONCRETE LLC | Truck Tractor Semi-trailer |
MACK SMITHCO MANUFACTURING |
1M1AN4NY7RM001003 1S9SS4931ML476129 |
SD PR48865 SD 21218P |
| 392.2-SLLML | State/Local Laws - Failure to maintain lane | Dangerous Driving | ||||||||
| May 13, 2026 | 7FH99DSPAL | IH-0035W IN TARRANT CO. (39-67, TX | I | — | — | FLAT RATE INC | Truck Tractor Semi-trailer |
PTRB MANAC TRAILERS USA |
1NPXGGGG20D321402 5MC124819N3209553 |
SD PR54101 SD U161778 |
| May 13, 2026 | 2272001760 | COLUMBUS WI | II | 1 | — | CARRIER | Truck Tractor Semi-trailer |
PETERBILT ASPEN CUSTOM TRAILERS |
1XPXP4EX3FD281976 2A9LB6032SN125171 |
SD PR49018 SD 30012P |
| 393.11A1-LTNRV | Lighting - Turn signal - Any missing not on the rearmost vehicle. | Lighting | ||||||||
Shippers Seen at Inspections
Shipper names recorded by roadside inspectors over roughly the last three years. Only inspected loads appear, so this is a sample of who the carrier hauls for, not a complete customer list. Names are as entered at the roadside; blanks and placeholders such as “N/A” or “same as carrier” are left out.
| Shipper | Inspections | Most recent |
|---|---|---|
| L. G. EVERIST | 2 | March 27, 2026 |
| FLATE RATE | 1 | September 29, 2026 |
| WDS | 1 | August 25, 2026 |
| DUININCK CONCRETE LLC | 1 | June 10, 2026 |
| L G EVEREST INC | 1 | March 27, 2026 |
| VULCAN MATERIAL COMPANY | 1 | October 17, 2025 |
| CENTRAL SPECIALTIES | 1 | August 18, 2025 |
| LG EVERSIT INC | 1 | July 14, 2025 |
| NORTH SHORE TRACK SERVICES | 1 | May 28, 2025 |
| CANADIAN PACIFIC RAIL ROAD | 1 | June 23, 2024 |
| CANADIAN PACIFIC RAILWAY | 1 | June 23, 2024 |
| BITOMINOUS PAVING | 1 | April 1, 2024 |
History & Filings
Authority, insurance and process-agent records
Authority History
| Date | Status | Type |
|---|---|---|
| January 3, 2025 | DISCONTINUED REVOCATION | Contract |
| December 5, 2024 | INVOLUNTARY REVOCATION | Contract |
| November 4, 2020 | REINSTATED | Contract Carrier |
| February 17, 2016 | DISCONTINUED REVOCATION | Contract |
| February 8, 2016 | INVOLUNTARY REVOCATION | Contract |
| November 12, 2010 | DISMISSED | Common Carrier |
| October 25, 2010 | GRANTED | Contract Carrier |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| January 1, 2025 | BI&PD Primary/Excess | On file |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: October 11, 2026.
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