🚀Major update: Network Intelligence is live — carrier detail pages, vetting reports, and graph exploration.See what's new →
Truck Graph
45/100
⚠ Caution
Risk signals detected. Verify authority, insurance, and safety record.
Coltharp INC
DOT 1066740 · MC MC787518 · Fort Mill, SC
Report generated: June 6, 2026 at 12:31 PM
✓Authorized for hire?
✓Active insurance?
✗Safety record clean?
✗No fraud flags?
✗No prior revocations?
Carrier Summary

Coltharp INC (DOT 1066740, MC MC787518) is a South Carolina-based interstate carrier headquartered in Fort Mill, SC. As of June 6, 2026 at 12:31 PM, operating authority is currently active. TruckGraph has detected 2 risk signals on this carrier, including: authority revoked within the last 3 years; crash with fatalities or injuries on record. TruckGraph rates this carrier "Caution" based on FMCSA compliance data, inspection history, insurance status, and network connection analysis. Last synced: June 6, 2026 at 12:31 PM.

Common AuthorityContract Authority
FMCSA Public Record
Coltharp INC
DOT Number1066740
MC NumberMC787518
Street2373 COLTHARP RD
City / StateFort Mill, SC 29715
Phone8033963989
Operation typeInterstate
HazmatNot authorized
Authority age23 yr 7 mo
MCS-150 filed04/17/2026
Company officerWilliiam I Coltharp Jr
Power units7
Total drivers7
Authority Status
Common (for-hire)✓ Active
Contract (for-hire)✓ Active
BrokerNot authorized
TruckGraph Intelligence
Risk Signals
●Authority revoked within the last 3 years
●Crash with fatalities or injuries on record
⚠ Serial Restarter Alert
2 prior revocations on record. Carrier re-registered authority after revocation. Exercise heightened scrutiny.
✓ OFAC Sanctions: Clear
Connection Chain
DOT nullShared insurer
Revoked
OOS rate 16.7% vs. national avg 22.26% — below average
Network Intelligence Map
Carriers sharing an officer, address, or phone with Coltharp INC
View full network →
Power Units
7
Fleet
Drivers
7
Total
Inspections
6
On record
Crashes
1
On record
OOS Rate
16.7%
↓ Avg 22.26%
Authority Age
23 yr 7 mo
Since 2002
Violation Categories — Last 24 Months
Hours of Service
6 insp (100%)
Unsafe Driving
6 insp (100%)
Driver Fitness
6 insp (100%)
Controlled Substances
6 insp (100%)
Vehicle Maintenance
4 insp (67%)· 3 viol
Inspection History
6 total · OOS rate 16.7%
DateStateLevelDriver OOSVehicle OOSResult
7/24/2025SCII01OOS
11/13/2025SCIII00Pass
12/13/2024SCII00Pass
1/12/2026SCIII00Pass
6/6/2024NCII00Pass
7/3/2024SCI00Pass
Crash History
1 total on record
DateStateFatalitiesInjuriesTow-away
—SC01Y
Insurance Status
Status
✓ Active filing on record
Insurer
ACE PROPERTY AND CASUALTY INSURANCE COMPANY
Coverage type
91X
Coverage amount
$750,000
Effective
11/18/2025
Location
2373 COLTHARP RD, Fort Mill, SC, 29715 · Open in Maps →
2373 COLTHARP RD, FORT MILL, SC, 29715Open in Maps →
Authority Timeline
Authority GrantedOct 2002
FMCSA issued operating authority
INVOLUNTARY REVOCATIONDec 2020
License type: COMMON
INVOLUNTARY REVOCATIONDec 2020
License type: CONTRACT
ActiveCurrent
Authority currently active

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: .

Verify Independently
Related Carriers in South Carolina
Community Reviews

No reviews yet — be the first to share your experience with this carrier.

Write a review for Coltharp INC
0/2000

Reviews are moderated before publication. We do not publish email addresses.

Frequently Asked Questions

Is Coltharp INC authorized to operate?

Yes. Coltharp INC holds Common and Contract operating authority and is currently active.

What is Coltharp INC's safety record?

Coltharp INC has 6 roadside inspections on record with an out-of-service rate of 16.7%. Crash history shows 1 incidents. Review the full safety profile above before making a freight decision.

How many trucks does Coltharp INC operate?

Coltharp INC operates 7 power units with approximately 7 drivers.

Is Coltharp INC insured?

Coltharp INC has active insurance coverage on file. Coverage amount and carrier details are shown in the insurance section above.

Has Coltharp INC had any risk indicators?

Coltharp INC has a risk score of 45/100 (High Risk) with 2 active risk signals. Review the risk section above and verify independently before tendering.

What is the DOT number for Coltharp INC?

Coltharp INC's DOT number is 1066740 and MC number is MC787518. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

Explore Carriers Like Coltharp INC
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). Coltharp INC Safety Record, DOT 1066740. Retrieved from https://truckgraph.com/carriers/1066740
MLA
"Coltharp INC Safety Record, DOT 1066740." Truck Graph, Jun 6, 2026, https://truckgraph.com/carriers/1066740
Chicago
"Coltharp INC Safety Record, DOT 1066740." Truck Graph. Last modified June 6, 2026. https://truckgraph.com/carriers/1066740