Carrier profile · USDOT 3261133 · MC-1028067 · Updated Jun 13, 2026
JEFFREY M BROCKMAN
DBA JEFF & CASS TRANSPORT
1 power unitavg 19 yrRegional · 3 statesGRISWOLD, IA100/100
CARRIER ACTIVEMC-1028067 ACTIVE
Operations & Lanes
Where this carrier actually runs, revealed by roadside-inspection geography over the last 24 months — not where they claim to operate, shown as state-level inspection density.
Operating footprint· revealed by roadside-inspection geography
Operating radiusRegional
revealedStates observed33
US statesInspections · 24 mo66
WA busiestInspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
GRISWOLD, IA
Top corridor
WA ⇄ IA
Density
fewermore
State activity ranking· all 3 states · trailing 24 mo
| State | Coverage | Inspections |
|---|---|---|
| WAWashington | 4 | |
| OROregon | 1 | |
| UTUtah | 1 |