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Truck Graph
45/100
✗ Do Not Tender
No active for-hire authority. Cannot legally haul freight for hire.
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
DOT 166445 · MC MC303495 · West Plains, MO
Report generated: June 4, 2026 at 6:36 PM
✗Authorized for hire?
✗Active insurance?
✗Safety record clean?
✓No fraud flags?
✓No prior revocations?
Carrier Summary

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 (DOT 166445, MC MC303495) is a Missouri-based interstate carrier headquartered in West Plains, MO. As of June 4, 2026 at 6:36 PM, operating authority is active but without for-hire authority. TruckGraph has detected 3 risk signals on this carrier, including: crash with fatalities or injuries on record; elevated vehicle out-of-service rate. TruckGraph rates this carrier "Do Not Tender" based on FMCSA compliance data, inspection history, insurance status, and network connection analysis. Last synced: June 4, 2026 at 6:36 PM.

FMCSA Public Record
Mc Materials LLC
Operating 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
DOT Number166445
MC NumberMC303495
Street1814 PORTER WAGONER BLVD
City / StateWest Plains, MO 65775
Phone4172568171
Operation typeInterstate
HazmatNot authorized
Authority age52 yr
MCS-150 filed12/23/2025
Company officerMichael Curtis
Power units80
Total drivers49
Authority Status
Common (for-hire)—
Contract (for-hire)—
Broker—
TruckGraph Intelligence
Risk Signals
●Crash with fatalities or injuries on record
●Elevated vehicle out-of-service rate
●No active insurance filing on record
✓ OFAC Sanctions: Clear
Connection Chain
DOT nullShared insurer
Revoked
OOS rate 20.0% vs. national avg 22.26% — below average
Network Intelligence Map
Carriers sharing an officer, address, or phone with 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
View full network →
Power Units
80
Fleet
Drivers
49
Total
Inspections
5
On record
Crashes
3
On record
OOS Rate
20.0%
↓ Avg 22.26%
Authority Age
52 yr
Since 1974
Violation Categories — Last 24 Months
Hours of Service
5 insp (100%)
Unsafe Driving
5 insp (100%)
Driver Fitness
5 insp (100%)
Controlled Substances
5 insp (100%)
Vehicle Maintenance
4 insp (80%)· 2 viol
Inspection History
5 total · OOS rate 20.0%
DateStateLevelDriver OOSVehicle OOSResult
10/31/2024MOIII00Pass
6/23/2025MOII00Pass
12/22/2025MOII00Pass
11/20/2024MOII00Pass
9/16/2024MOII03OOS
Crash History
3 total on record
DateStateFatalitiesInjuriesTow-away
—MO00Y
—MO00Y
—AR01Y
Insurance Status
⚠ No active insurance filing on record
Verify insurance directly with carrier before tendering any load.
Location
1814 PORTER WAGONER BLVD, West Plains, MO, 65775 · Open in Maps →
1814 PORTER WAGONER BLVD, WEST PLAINS, MO, 65775Open in Maps →
Authority Timeline
Authority GrantedJun 1974
FMCSA issued operating authority
Active USDOT — No for-hire authorityCurrent
USDOT record is active but no for-hire operating authority is currently granted

Source: FMCSA compliance records, inspection data, crash records, insurance filings, and TruckGraph analysis. View methodology

Important Legal Notice

Data sourced from FMCSA public records and TruckGraph independent analysis. This is not legal advice, not a guarantee of carrier safety, and not a compliance certification. Verify through official FMCSA sources before tendering. Last synced: .

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Frequently Asked Questions

Is Mc Materials LLC authorized to operate?

Mc Materials LLC's USDOT number is active but it does not hold operating authority for for-hire interstate operations. It may operate as a private carrier. Verify status before tendering.

What is Mc Materials LLC's safety record?

Mc Materials LLC has 5 roadside inspections on record with an out-of-service rate of 20.0%. Crash history shows 3 incidents. Review the full safety profile above before making a freight decision.

How many trucks does Mc Materials LLC operate?

Mc Materials LLC operates 80 power units with approximately 49 drivers.

Is Mc Materials LLC insured?

Insurance filing details are not available in the current dataset. Verify directly with the carrier before tendering.

Has Mc Materials LLC had any risk indicators?

Mc Materials LLC has a risk score of 45/100 (High Risk) with 3 active risk signals. Review the risk section above and verify independently before tendering.

What is the DOT number for Mc Materials LLC?

Mc Materials LLC's DOT number is 166445 and MC number is MC303495. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

Explore Carriers Like 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
Cite this page

For journalists and researchers

Truck Graph data is open and citable. For press inquiries, contact our editorial team.

APA
Truck Graph. (2026). 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 Safety Record, DOT 166445. Retrieved from https://truckgraph.com/carriers/166445
MLA
"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 Safety Record, DOT 166445." Truck Graph, Jun 4, 2026, https://truckgraph.com/carriers/166445
Chicago
"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 Safety Record, DOT 166445." Truck Graph. Last modified June 4, 2026. https://truckgraph.com/carriers/166445