Carrier profile · USDOT 819592 · Updated Jun 13, 2026

KOLB GRADING LLC

23 power unitsavg 10.8 yrRegional · 5 statesWELDON SPRING, MO87/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT
Verified linkskolbgrading.comFMCSA SAFER

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
revealed
States observed5
US states
Inspections · 24 mo9
TX busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base
WELDON SPRING, MO
5731 WESTWOOD DRIVE
Top corridor
TX ⇄ MO
TX 3 · MO 2 · OK 2
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 5 states · trailing 24 mo

Roadside inspections by state · KOLB GRADING LLC · trailing 24 months
StateCoverageInspections
TXTexas3
MOMissouriHQ2
OKOklahoma2
INIndiana1
ARArkansas1