Carrier profile · USDOT 166445 · MC-303495 · Updated Jun 13, 2026

MC MATERIALS LLC

DBA 1 RIVER ROCK 2 STEWART MORRISON 3 VAUGHN 4 OZARK CO 5 THAYER 6 SALEM 7 ALL THESE ARE REDI MIX 8 SPRING CREEK MATERIALS

80 power unitsavg 14.3 yrLocal · 1 statesWEST PLAINS, MO69/100
AUTHORITY STATUS UNKNOWNMC-303495 STATUS UNKNOWNRATED SATISFACTORY

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 radiusLocal
revealed
States observed1
US states
Inspections · 24 mo6
MO busiest

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

Home base
WEST PLAINS, MO
1814 PORTER WAGONER BLVD
Top corridor
MO
MO 6
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 1 states · trailing 24 mo

Roadside inspections by state · MC MATERIALS LLC · trailing 24 months
StateCoverageInspections
MOMissouriHQ6