Underdown Trenching Inc
2 flags to check before loading
Vehicle OOS well above average: 62.5% of vehicle inspections placed out of service vs 22.26% national. Registered less than two years ago.
How we scored it · 5 factors
Composite of public FMCSA authority, insurance, inspection and crash records weighted against the national fleet. Decision support, not an official FMCSA safety rating.
Safety
FMCSA inspections & crashes · 24 mo · AS OF OCT 7, 2026- Total inspections
- 9
- Driver inspections
- 9
- Vehicle inspections
- 8
- People injured
- 2
- Fatalities
- 0
- FMCSA rating
- Not rated
Enforcement
FMCSA closed casesClosed enforcement cases — case numbers, violation codes and the amount settled — are available after you create a free account.
Equipment
Operations & cargo
Identity & federal record
FMCSA census · MCS-150- USDOT
- 4482322
- MC / docket
- None
- Legal name
- Underdown Trenching Inc
- DBA
- —
- Entity type
- Carrier
- Operation
- Interstate
- First registered
- Oct 16, 2025
- Last MCS-150
- Oct 16, 2025
- Safety rating
- Not rated
- Drivers (CDL)
- 39 (24)
- Hazmat
- No
- Business type
- —
Fraud & network signals
For review, not a verdict.
Frequently asked
What is Underdown Trenching Inc's USDOT number?
Underdown Trenching Inc's USDOT number is 4482322.
Is Underdown Trenching Inc authorized to operate?
It does not hold MC operating authority, which private and intrastate carriers do not need.
What is Underdown Trenching Inc's safety record?
Over the last 24 months: 9 roadside inspections, a 62.5% vehicle and 0.0% driver out-of-service rate, and 1 reportable crash (0 fatal). Not rated by FMCSA.
How big is Underdown Trenching Inc's fleet?
102 power units and 39 drivers per its MCS-150 filed Oct 16, 2025.
Where is Underdown Trenching Inc located?
Underdown Trenching Inc is located at 1150 Quail Hollow Dr, Fenton, MO, 63026-4956. Phone: (636) 343-1321.
Similar carriers in Missouri
All Missouri carriers →Source: FMCSA public records via the U.S. DOT Open Data Portal. Carrier Search presents the federal record and computed signals for decision support only. It is not an FMCSA safety rating and not a recommendation to use or avoid any carrier. Verify authority and insurance before tendering.