MC MATERIALS LLC
USDOT 166445 · Doing business as 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
Active, interstate carrier, mid-size fleet (80 power units) — safety rating: satisfactory.
Vetting summary
At a glance
- Out-of-service rate16.7% vs 19.1% national avg
- Crashes (24 months)1 reported — involvement does not imply fault
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 166445 |
|---|---|
| MC Number | MC-303495 |
| Legal Name | MC MATERIALS LLC |
| DBA Name | 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 |
| Entity Type | CORPORATION |
| Phone | 4172568171 |
| Address | 1814 PORTER WAGONER BLVD, West Plains, MO, 65775 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | S — Satisfactory (rated 20020325) |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Our scoring
Safety scores
| Unsafe Driving | 0 / 100 |
|---|---|
| Hours-of-Service Compliance | 0 / 100 |
| Driver Fitness | 0 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 88 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 6 |
|---|---|
| Out-of-Service Rate | 16.7% vs 19.1% national average |
| Crashes | 1 total (0 fatal, 0 with injuries, 1 towaway) |
- 2026-04-28 — MO — towaway
- 2024-02-06 — MO — 1 injured, towaway
- 2023-09-21 — MO — 1 injured, towaway
- 2023-09-07 — MO — towaway
Most frequent violation categories: 20 (5), 25 (1), 28 (1).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 80 |
|---|---|
| Drivers | 49 |
| Recent Annual Mileage | 804,000 |
| Last MCS-150 Filing | 23-DEC-25 |
MC MATERIALS LLC operates 80 power units — a larger fleet than 99% of carriers registered in MO.
Nearby
Other carriers in West Plains, MO
- MEEK LUMBER YARD LLC — USDOT 583117, 52 power units
- LUNA TRUCK LINES INC — USDOT 127864, 37 power units
- WEST PLAINS PROPANE INC — USDOT 452318, 26 power units
- OZARK ASPHALT COMPANY — USDOT 324711, 21 power units
- RON KELLY HAULING INC — USDOT 261323, 19 power units
Browse all carriers in West Plains, MO or all MO carriers.