Carrier profile · USDOT 349480 · Updated Jun 13, 2026
MARQUART BLOCK COMPANY
18 power unitsWATERLOO, IA50/100
AUTHORITY STATUS UNKNOWNHAZMAT
Safety
Roadside out-of-service rates versus the national benchmark, inspection and crash trends, decoded violation themes, and ELD / hours-of-service integrity — the full safety picture behind the verdict.
Out-of-service rate· 24-mo cumulative
No roadside inspections on record.
Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay
No roadside inspections on the FMCSA record in this window
Crash history· 3 total · 0 in 24 mo
Total crashes
In last 24 mo
Fatal
Injury
| Year | Crashes | Fatal | Injury | Tow | |
|---|---|---|---|---|---|
| 2002 | 2 | 0 | 1 | 2 | |
| 2000 | 1 | 0 | 0 | 1 |
| Date | State | Fatalities | Injuries | Tow-away |
|---|---|---|---|---|
| Jul 25, 2002 | IA | 0 | 2 | Yes |
| Jul 8, 2002 | IA | 0 | 0 | Yes |
| Aug 22, 2000 | IA | 0 | 0 | Yes |