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

Equipment

Haulable capacity (power units only — trailers are towed context), equipment mix, and the VIN-decoded unit roster. Click any VIN to trace that unit across every carrier that has run it.

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150)
80
Observed power (24 mo)
5
Trailers (towed)
3

Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.

Fleet age· model years · decoded VINs

14.3 yr
Average age
2026
Newest model yr
1997
Oldest model yr
12.5%
VINs decoded

Unit roster· VIN-decoded from inspections · NHTSA vPIC

VINTypeYearMakeModelInsp.Last seen
1M2AG02C25M002240Power unit2005MACK2Dec 22, 2025
3H4SS4121V3181676Trailer1997HEIL CO.,1Apr 21, 2026
1XKYDP9X8MJ436924Truck-Tractor2021KENWORTHT6801Apr 21, 2026
4V5KC9GGX5N399887Power unit2005VOLVO1Jun 23, 2025
1XPBA49X7ED232641Power unit2014PETERBILT1Oct 31, 2024
4J8B04227TT008704Trailer2026FRUEHAUF1Oct 31, 2024
2HSCHAPR85C172039Power unit2005INTERNATIO1Sep 16, 2024
1W9A11E30MS061209Trailer2021UNPUBLISHE1Sep 16, 2024

Showing 8 · most-inspected first.