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DIERCKS LTD
Davenport, IA
CarrierChk vetting signal
Review recommended
Elevated Out-of-Service Rate
66.7% of this carrier's roadside inspections in the last 24 months put a driver or vehicle out of service — higher than 92% of carriers with a comparable number of inspections. This is a CarrierChk calculation from FMCSA inspection records, not an FMCSA rating.
See details ↓
FMCSA status: Active registration · no operating authority · DOT 566302
Active
Satisfactory
Broker Vetting Summary
Key signals from current FMCSA records
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Satisfactory
66.7% OOS · 11 inspections on record
Flags · 1
Elevated Out-of-Service Rate
66.7% of this carrier's roadside inspections in the last 24 months put a driver or vehicle out of service — higher than 92% of carriers with a comparable number of inspections. This is a CarrierChk calculation from FMCSA inspection records, not an FMCSA rating.
Vetting notes
- Active FMCSA registration, but no active for-hire operating authority on record
- Registered with FMCSA as a private carrier — not registered to haul other companies' freight for hire
- No active insurance filing found on record
- FMCSA safety rating: Satisfactory
- Vehicle out-of-service rate 100.0% — above the 20.7% national average
- Driver out-of-service rate 0.0% — below the 5.5% national average
- 11 FMCSA inspections on record
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
566302
Safety Rating
Satisfactory
Entity Type
Corporation
Operation Classification
Private (property)
MCS-150 Filed
October 17, 2025
FMCSA Registration
June 16, 1994
Annual Mileage
102,790 mi (2024)
Contact Information
Address
1030 East 54th Street, Davenport, IA 52807
Phone
Email
Website
Owner / Officer
Justin Diercks
Officer 2
Kelly Diercks
Cargo Types
Building MaterialsMachinery/Large ObjectsConstruction MaterialsOther Cargo
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
11
Driver Inspections
6
Vehicle Inspections
7
Out-of-Service Violations
19
Violations by Category
Vehicle Maintenance45
Unsafe Driving4
Hours of Service1
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate100.0% · national avg 20.7%
⚠ Above national average (79.3pp higher)
66.7% of 6 inspections in the last 24 months put a driver or vehicle out of service —
92nd percentile among carriers with 5–9 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
4 of 4 inspections
Unsafe Driving
1 of 6 inspections
Hours of Service
0 of 6 inspections
Driver Fitness
1 of 6 inspections
Controlled Substances
0 of 6 inspections
Crash History (1)
Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
1
Crashes
0
Fatalities
1
Injuries
1
Tow-aways
| Date | State | Fatal | Injured | Tow | Conditions |
|---|---|---|---|---|---|
| March 4, 2025 | IL | — | 1 | Yes | Rain · Daylight · Wet |
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
IA7
IL2
KS1
Fleet & Equipment (10)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~7
of 13 reported to FMCSA
Trailers
~3
seen at inspection
Equipment types observed
Truck
3
Chassis / Incomplete
2
Semi-trailer
2
Flatbed
1
Not Applicable
1
Tractor
1
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 1993 Ford LNT8000 | Truck · Class 8 | 1FDYW82E4PVA29518 | 2 | 1 |
| 2006 Mack CV (Granite) | Truck · Class 8 | 1M2AG11C36M028936 | 2 | 1 |
| 2022 Ford F-450 | Chassis / Incomplete · Class 5 | 1FDUF4GN3NED30312 | 1 | 1 |
| 2019 Ford F-450 | Chassis / Incomplete · Class 5 | 1FDUF4GY3KDA24349 | 1 | 1 |
| Tibr | Semi-trailer | 1T9EAAN2XKG021851 | 1 | 1 |
| 2006 Kenworth W9 Series | Tractor · Class 8 | 1XKWDB9X76R103032 | 1 | — |
| 2019 Peterbilt 579 | Not Applicable · Class 8 | 1XPBDP9X0KD646221 | 1 | 1 |
| 2016 Peterbilt 348 | Truck · Class 8 | 2NP3LJ9X7GM346613 | 1 | — |
| 2022 Norstar Trailers Mexico S De Rl De Cv | Flatbed · 22 ft | 3EUTB2229N1008403 | 1 | 1 |
| Bab | Semi-trailer | 4L5ST2721MF054603 | 1 | 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 (11)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| July 30, 2026 | 5000120052 | I-80, IL | II | 2 | 2 | DIERCKS LTD | Truck Tractor Semi-trailer |
PETERBILT TIBR |
1XPBDP9X0KD646221 1T9EAAN2XKG021851 |
IA MX1281 IA MK9597 |
| 393.9TS | OOSInoperative turn signal | Lighting | ||||||||
| 393.9TS | OOSInoperative turn signal | Lighting | ||||||||
| December 30, 2025 | 000P15H78T | HWY 61 SB @ HWY 30, IA | II | 4 | 3 | DIERCKS LTD | Straight Truck Semi-trailer |
FORD BAB |
1FDUF4GY3KDA24349 4L5ST2721MF054603 |
IA KIP375 IA KT8369 |
| 383.23A2 | OOSOperating a CMV without a CDL | License-related: High | ||||||||
| 393.43D | OOSNo or defective automatic trailer brake | Brakes All Others | ||||||||
| 396.3A1 | OOSInspection, repair and maintenance of parts and accessories | Wheels Studs Clamps Etc. | ||||||||
| 392.16 | Failing to use seat belt while operating a CMV | Seat Belt | ||||||||
| October 17, 2025 | 000P15H73W | 110TH AVE NB TO HWY 61 EB, IA | III | 3 | — | DIERCKS LTD | Truck Tractor |
PETERBILT |
2NP3LJ9X7GM346613 |
IA LR8082 |
| 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 | |||||||||
| 392.2RG | State vehicle registration or License Plate violation | |||||||||
| September 19, 2025 | 000P15H724 | I80 EB @ NW BLVD, IA | III | 3 | — | THE RIVER PRODUCT COMPANY | Truck Tractor Semi-trailer |
KENWORTH TIBROOK |
1XKWDB9X76R103032 — |
IA FA3203 — |
| 392.2RG | State vehicle registration or License Plate violation | |||||||||
| 392.2RG | State vehicle registration or License Plate violation | |||||||||
| 396.17C | Operating a CMV without proof of a periodic inspection | Inspection Reports | ||||||||
| June 3, 2025 | 000P14BC43 | COMPETITION DRIVE / FRIENDSHIP, IA | I | 11 | 3 | DIERCKS LTD | Straight Truck Semi-trailer |
FORD NORSTAR TRAILERS MEXICO S DE RL DE CV |
1FDUF4GN3NED30312 3EUTB2229N1008403 |
IA LJY769 OT NONE |
| 393.43D | OOSNo or defective automatic trailer brake | Brakes All Others | ||||||||
| 393.130 | OOSNo/improper heavy vehicle/machine securement | General Securement | ||||||||
| 393.75G-LOAD | OOSWeight carried exceeds tire load limit | Tire vs. Load | ||||||||
| 392.2RG | State vehicle registration or License Plate violation | |||||||||
| 393.9 | Inoperable Required Lamp | Clearance Identification Lamps/Other | ||||||||
| 393.9T | Inoperable tail lamp | Lighting | ||||||||
| 393.9 | Inoperable Required Lamp | Clearance Identification Lamps/Other | ||||||||
| 396.17C | Operating a CMV without proof of a periodic inspection | Inspection Reports | ||||||||
| 392.8 | Failing to inspect/use emergency equipment | Emergency Equipment | ||||||||
| 393.95A | No/discharged/unsecured fire extinguisher | Emergency Equipment | ||||||||
| 393.95F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Emergency Equipment | ||||||||
| March 4, 2025 | 5005520005 | 29, IL | I | 13 | — | AMERICAN CONCRETE | Straight Truck |
MACK |
1M2AG11C36M028936 |
IA SF7576 |
| 393.9BRKLAMP | OOSInoperative Brake Lamps | Lighting | ||||||||
| 393.75A | OOSFlat tire or fabric exposed | Tires | ||||||||
| 393.205A | OOSWheel/rim cracked or broken | Wheels Studs Clamps Etc. | ||||||||
| 393.201A | OOSFrame cracked / loose / sagging / broken | Cab Body Frame | ||||||||
| 396.5B | OOSOil and/or grease leak | Other Vehicle Defect | ||||||||
| 396.3A1BL | OOSBrake system pressure loss | Brakes All Others | ||||||||
| 392.2-SLLEWA1 | State/Local Laws - Excessive weight - 1-2500 lbs over on an axle/axle groups | |||||||||
| 393.9 | Inoperable Required Lamp | Clearance Identification Lamps/Other | ||||||||
| 393.80 | No or defective rear-vision mirror | Other Vehicle Defect | ||||||||
| 393.60B | Windshield - Missing | Windshield/ Glass/ Markings | ||||||||
| 393.203 | Cab/body parts requirements violations | Cab Body Frame | ||||||||
| 393.203 | Cab/body parts requirements violations | Cab Body Frame | ||||||||
| 393.45DLUV | Brake Connections with Leaks Under Vehicle | Brakes All Others | ||||||||
| September 12, 2024 | 000P14HXH5 | I-80 EB AND HWY 61, IA | II | 8 | 2 | DIERCKS LTD | Straight Truck |
FORD |
1FDYW82E4PVA29518 |
IA KCA759 |
| 393.100B-C | OOSCargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Improper Load Securement | ||||||||
| 393.75A3-TAOL | OOSTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Tires | ||||||||
| 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 | |||||||||
| 396.17C | Operating a CMV without proof of a periodic inspection | Inspection Reports | ||||||||
| 392.2RG | State vehicle registration or License Plate violation | |||||||||
| 392.2Y | Failure to yield right of way | Dangerous Driving | ||||||||
| 392.2T | Improper turns | Dangerous Driving | ||||||||
| August 19, 2024 | 000P15H65R | HWY 22 WB @ UTAH, IA | III | 1 | — | — | Straight Truck |
FORD |
1FDYW82E4PVA29518 |
IA KCA759 |
| 392.2-SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Speeding 3 | ||||||||
| August 15, 2024 | 000P15563J | HWY 61/LECLAIRE RD, IA | III | 3 | — | DIERCKS LTD | Straight Truck |
MACK |
1M2AG11C36M028936 |
IA SF7576 |
| 392.2-SLLEWG2 | State/Local Laws - Excessive weight - 2501-5000 lbs over on allowable gross weight | |||||||||
| 392.2-SLLEWA1 | State/Local Laws - Excessive weight - 1-2500 lbs over on an axle/axle groups | |||||||||
| 392.2RG | State vehicle registration or License Plate violation | |||||||||
| March 30, 2024 | HP03590229 | CARLYLE, KS | II | 3 | 1 | — | Truck Tractor |
KENWORTH |
1XKWDB9X76R103032 |
IA FA3203 |
| 395.8A-NON-ELD | OOSNo record of duty status when one is required (ELD Not Required) | Incomplete/Wrong Log | ||||||||
| 393.60C | Windshield - Damaged or Discolored | Windshield/ Glass/ Markings | ||||||||
| 393.11TU | Truck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 1997 | Reflective Sheeting | ||||||||
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 |
|---|---|---|
| THE RIVER PRODUCT COMPANY | 1 | September 19, 2025 |
| AMERICAN CONCRETE | 1 | March 4, 2025 |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: November 2, 2026.
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