Underground Construction CO INC (USDOT 516591)
1 caution found.
- DOT number
- USDOT 516591
- Operating authority
- No active operating authority on file with FMCSA. The federal bulk file showed this carrier active as of 2026-08-30. We could not confirm that live just now.
- Insurance on file
- No active liability (BIPD) insurance on file with FMCSA.
- Safety rating
- No published safety rating
- Fleet on file
- 301 power units, 471 drivers
- Operation type
- Interstate
- Physical address
- 5145 INDUSTRIAL WAY, BENICIA, CA 94510
- MCS-150 last filed
- 2025-01
Findings
- Multiple carriers at this address (Caution): One other active carrier is registered at this physical address. Shared addresses are common for freight offices and registered agents.
Connected carriers
Other carriers linked to this one in FMCSA registration and roadside-inspection records:
Frequently asked questions
What carrier is DOT 516591?
DOT 516591 (USDOT 516591) is Underground Construction CO INC, an interstate motor carrier.
What is Underground Construction CO INC's USDOT number?
Underground Construction CO INC's USDOT number is 516591. No MC docket number is on file.
Is Underground Construction CO INC currently authorized to operate?
No active operating authority on file with FMCSA. The federal bulk file showed this carrier active as of 2026-08-30. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Underground Construction CO INC have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Underground Construction CO INC's safety record?
In the last 24 months, FMCSA records show a 9.3% vehicle out-of-service rate for Underground Construction CO INC, from 5 of 54 vehicle inspections, against a national average of 22.9% (fleetfax-computed from FMCSA inspections, as of 2026-08-28). FMCSA records also show 0 recordable crashes in the same window.
What is Underground Construction CO INC's CSA score?
FMCSA does not publish a single CSA score for carriers. Underground Construction CO INC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Underground Construction CO INC's FMCSA safety rating?
Underground Construction CO INC has no published FMCSA safety rating. Most US carriers have never received a rating review, so an unrated carrier is the common case, not a warning sign by itself.
Changes over time
Carriers change. Phone numbers, email addresses, insurance, authority. A sudden contact-info change is often the first sign of carrier identity fraud. fleetfax tracks these changes. Create a free account to follow changes on carriers you save.
View the full fleetfax report for Underground Construction CO INC
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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Aug 30, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status