FMCSA Carrier Profile
SOUTHWEST CULVERT CO INC
Inactive
No Safety Rating
Active 32 yrs, 9 mo
Authority
No Active Authority
Common carrier
Insurance
On File
$0 BIPD
Safety
Not Rated
78th pct · No inspection records on file
Flags · 2
Elevated Safety Percentile
This carrier ranks in the 78th percentile for safety violations among peer carriers — above FMCSA's 65th-percentile alert threshold.
Inactive Carrier Status
FMCSA lists this carrier as inactive. Confirm current operating status before booking.
Required Filings
Cargo
On file
Vetting Notes
SOUTHWEST CULVERT CO INC is an inactive FMCSA-registered motor carrier based in Phoenix, Arizona, operating under DOT 148663. No high-severity flags were found on authority or insurance records. 2 notes for review: elevated safety percentile, inactive carrier status. No FMCSA roadside inspection records are on file for this carrier yet.
FMCSA Registration
DOT Number
148663
Operating Status
Inactive
Safety Rating
Not Rated
Entity Type
Corporation
FMCSA Registration
June 1, 1974
Authority Granted
October 27, 1993
Annual Mileage
0 mi
Contact Information
Address
5145 West Madison, Phoenix, AZ 85043
Phone
Operating Authority
MC171608
Common Carrier, Contract Carrier, Broker
Insurance on File
TRAVELERS CASUALTY AND SURETY COMPANY
Cargo · $0 · Policy 052IMT224803FCA
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Safety Percentile
78th percentile
vs. peer carriers
⚠ Above FMCSA alert threshold (65th pct) · lower percentile = fewer violations than peers · source: FMCSA SMS
Authority History
| Date | Status | Type |
|---|---|---|
| October 27, 1993 | GRANTED | Common Carrier |
| October 1, 1992 | INVOLUNTARY REVOCATION | Common |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| Cargo | Cancellation Pending | |
| COMMON | On Record | |
| COMMON | On Record | |
| COMMON | On Record |
Other Carriers in Phoenix, AZ
Data sourced from FMCSA MCMIS via Socrata. Last updated: August 10, 2026.
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