D20
Roadside inspection site in Iowa • 10 inspections on record
About This Inspection Site
D20 is a roadside inspection location in Iowa where FMCSA-certified inspectors conduct safety inspections of commercial motor vehicles under the Motor Carrier Safety Assistance Program (MCSAP). This site has conducted 10 recorded inspections from Jan 1, 2020 to Oct 27, 2025.
A total of 9 unique carriers have been inspected at this site. The average number of violations per inspection is 2.2.
Inspections follow CVSA (Commercial Vehicle Safety Alliance) North American Standard procedures and may include weight checks, credential verification, mechanical inspection, hours-of-service compliance review, and hazardous materials documentation checks. Vehicles or drivers that fail critical safety criteria are placed out of service until deficiencies are corrected.
The most frequently cited violation at this site is Operating a CMV while ill or fatigued (Unsafe Driving) with 10 citations, followed by Operating a CMV while ill or fatigued (2 citations). A total of 9 distinct violation codes have been cited at this location.
Inspection Level Breakdown
10 inspections by CVSA level
Top Violations
9 violation codes cited at this site (page 1 of 1)
| # | Code | Description | BASIC Category | Citations | OOS | OOS % |
|---|---|---|---|---|---|---|
| 1 | 392.2 | Operating a CMV while ill or fatigued | Unsafe Driving | 10 | 0 | — |
| 2 | 392.2-SLLEWA3 | Operating a CMV while ill or fatigued | Unsafe Driving | 2 | 0 | — |
| 3 | 392.2-SLLEWA2 | Operating a CMV while ill or fatigued | Unsafe Driving | 2 | 0 | — |
| 4 | 392.16 | Failing to use seat belt (49 CFR) | Unsafe Driving | 2 | 0 | — |
| 5 | 392.2-SLLEWA1 | Operating a CMV while ill or fatigued | Unsafe Driving | 2 | 0 | — |
| 6 | 392.2-SLLEWG2 | Operating a CMV while ill or fatigued | Unsafe Driving | 1 | 0 | — |
| 7 | 383.23(a)(2) | CDL - wrong class | Driver Fitness | 1 | 0 | — |
| 8 | 395.8(f)(1) | Drivers record of duty status not current | Hours of Service | 1 | 0 | — |
| 9 | 392.16(a) | Failing to use seat belt (49 CFR) | Unsafe Driving | 1 | 0 | — |
Top Carriers Inspected
9 most frequently inspected carriers at this site
| # | Carrier | USDOT | State | Inspections |
|---|---|---|---|---|
| 1 | BEDROCK GRAVEL INC | 745944 | IA | 2 |
| 2 | ARCADIA LIMESTONE CORPORATION | 322421 | IA | 1 |
| 3 | TIEFENTHALER AG-LIME INC | 197975 | IA | 1 |
| 4 | UDELL TRUCKING INC | 587869 | IA | 1 |
| 5 | APPLE VALLEY TRUCKING LLC | 2264240 | WI | 1 |
| 6 | ECO BLASTING INC | 4099982 | IL | 1 |
| 7 | MOELLER TRUCKING INC | 569429 | IA | 1 |
| 8 | MOHR SAND GRAVEL & CONSTRUCTION LLC | 1992249 | IA | 1 |
| 9 | COMMERCIAL TERMINAL SERVICE INC | 213699 | MO | 1 |
Recent Inspections
10 inspections at this site (page 1 of 1)
| Inspection ID | Date | Carrier | Level | Violations | Result |
|---|---|---|---|---|---|
| 86507435 | Oct 27, 2025 | COMMERCIAL TERMINAL SERVICE INC | Level 3 | 1 | Violations |
| 82977980 | Oct 22, 2024 | TIEFENTHALER AG-LIME INC | Level 3 | 7 | Violations |
| 82920041 | Oct 15, 2024 | APPLE VALLEY TRUCKING LLC | Level 3 | 1 | Violations |
| 82805158 | Sep 27, 2024 | MOELLER TRUCKING INC | Level 3 | 1 | Violations |
| 82826122 | Sep 26, 2024 | ECO BLASTING INC | Level 3 | 2 | Violations |
| 81163078 | Mar 20, 2024 | BEDROCK GRAVEL INC | Level 3 | 1 | Violations |
| 80678185 | Jan 22, 2024 | ARCADIA LIMESTONE CORPORATION | Level 3 | 1 | Violations |
| 79862735 | Oct 6, 2023 | BEDROCK GRAVEL INC | Level 3 | 3 | Violations |
| 78690259 | May 18, 2023 | MOHR SAND GRAVEL & CONSTRUCTION LLC | Level 3 | 4 | Violations |
| 78477968 | Apr 27, 2023 | UDELL TRUCKING INC | Level 3 | 1 | Violations |