Trierweiler Construction & Supply Co INC Safety Record
DOT# 699461 · Marshfield, WI 54449-7236 · 7153878451
Excellent safety record — scored 15/100 (lower is better). This carrier has one of the best inspection records on file.
Last inspected 09/19/2025
Safety Score Breakdown · 15/100 points
Lower scores are better. How is this calculated?
According to FMCSA records, Trierweiler Construction & Supply Co INC (DOT# 699461) in Marshfield, Wisconsin has 9 inspections on record with 13 violations and a 22.2% vehicle out-of-service rate and 1 crash. Safety grade: A (excellent safety record).
Out-of-Service Rates vs. National Average
An out-of-service (OOS) violation means a vehicle or driver was found unsafe to operate during a roadside inspection and was prohibited from continuing until the issue was corrected.
Violation Categories · 13 total violations
FMCSA groups violations into Behavioral Analysis and Safety Improvement Categories (BASICs). Each violation found during a roadside inspection is classified into a category that reflects the type of safety risk.
Inspection History · 9 records
FMCSA inspections range from Level 1 (full vehicle and driver examination) to Level 6 (enhanced motorcoach inspection). Level 1 is the most thorough; Levels 2 and 3 are walk-around and driver-only checks.
| Date | State | Veh OOS | Drv OOS |
|---|---|---|---|
| 09/19/2025 | WI | 1 | 0 |
| 08/25/2025 | WI | 1 | 0 |
| 04/18/2025 | WI | 0 | 0 |
| 11/08/2024 | WI | 0 | 0 |
| 10/18/2024 | WI | 0 | 0 |
| 09/06/2024 | WI | 0 | 0 |
| 09/16/2023 | WI | 0 | 0 |
| 07/28/2023 | WI | 0 | 0 |
| 05/19/2023 | WI | 0 | 0 |
Crash History · 1 record
| Date | State | Fatalities | Injuries | Tow-Aways |
|---|---|---|---|---|
| 25-AUG-25 | WI | 0 | 1 | 0 |
Fleet Profile
Power units include trucks, tractors, and other commercial motor vehicles registered to the carrier. Driver count reflects the total number of drivers reported on the carrier's MCS-150 filing.