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UNDERDOWN TRENCHING INC

Trust Score

Analyzing company data...

Company CheckUNDERDOWN TRENCHING INC · DOT 4482322

Private carrier, runs its own trucks and hauls its own freight

1150 QUAIL HOLLOW DR, FENTON, MO, 63026-4956

DOT# 4482322 Fenton, Missouri

PRIVATE CARRIER

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Power Units

Drivers

Crashes (24-Month)

Not reported

Insurance

Not Rated

Safety Rating

Inspections

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Public record

6 events tracked · latest Jun 9, 2026 ↓ Show details ↓

Safety & compliance 6

Jun 9, 2026
Roadside inspection, 2 violations (no OOS).
Apr 27, 2026
Roadside inspection, 1 out-of-service violation.
Apr 27, 2026
Clean roadside inspection, no violations.
Apr 14, 2026
Roadside inspection, 2 out-of-service violations.
Apr 1, 2026
Crash reported (no fatalities).
Oct 16, 2025
Registered with FMCSA.

Public FMCSA record · blue clean · orange change · red risk.

Contact Details

Phone(636) 343-1321

Email[email protected]

Physical Address1150 QUAIL HOLLOW DR, FENTON, MO, 63026-4956

Mailing Address1150 QUAIL HOLLOW DR, FENTON, MO, 63026-4956

Operating Authorities

Authority TypePRIVATE PROPERTY

Carrier OperationA - Interstate

CommonNot Active

ContractNot Active

BrokerNot Active

Company Overview

UNDERDOWN TRENCHING INC is a FMCSA-validated private carrier based in Fenton, Missouri. The fleet consists of 45 power units and 33 drivers. 1 crash has been reported with no fatalities. A total of 9 inspections are on file. Based on authority, insurance, safety, and compliance data, UNDERDOWN TRENCHING INC has a Trust Score of 92/100 (Excellent).

Operation Classification

Private (Property)Private Only

SMS BASIC Scores

FMCSA safety categories, last 24 months. Above Cutoff = FMCSA flags a problem · Below cutoff = within limits · Clean = no violations.

Unsafe Driving

measure 0 · 0 insp with violations

Clean

Hours-of-Service Compliance

measure 0 · 0 insp with violations

Clean

Driver Fitness

measure 0 · 0 insp with violations

Clean

Controlled Substances / Alcohol

measure 0 · 0 insp with violations

Clean

Vehicle Maintenance

measure 14.16 · 5 insp with violations

Below cutoff

Source: FMCSA SMS, updated monthly.

Drivers

Interstate

Intrastate

CDL

Total

Interstate >100mi0

Interstate <100mi0

Intrastate >100mi0

Intrastate <100mi0

Equipment

No equipment breakdown on file with FMCSA.

HazMatNo

Safety Summary

Safety RatingNot Rated

Total Crashes (24-mo)1

Fatal0

Driver OOS0.0% avg 5.5%

Vehicle OOS75.0% avg 20.7%

SmartWay PartnerNo

Insurance

AmountNot reported

Type-

Effective-

Company-

Policy #-

Quick Facts

StatusActive

TypePrivate Carrier

Fleet45 units

Drivers33

MCS-15010/2025

Safety & Inspection Data

Crash Summary

Total Crashes (24-mo)1

Fatal0

Injury1

Tow-Away0

Driver Inspections

Total5

Out of Service0

OOS Rate0.0%

National Avg5.5%

Below National Average

Vehicle Inspections

Total4

Out of Service3

OOS Rate75.0%

National Avg20.7%

Above National Average

HazMat Inspections

Total2

OOS0

OOS Rate0.0% (avg 4.5%)

Safety Trends by Year

Roadside inspections and crashes on file, year over year. The red portion of each inspection bar is the out-of-service share; ▲/▼ compares to the prior year.

Inspections · red = OOS

2025

1 · 1 OOS -

2026

7 · 3 OOS ▲

Crashes

2025

0 crashes -

2026

1 crash ▲

Based on FMCSA crash and roadside inspection records (rolling 3-year window). The latest year may be partial.

Out-of-Service Summary Last 24 months

Live FMCSA roadside inspections through Jun 2026, 8 inspections, 4 resulted in out-of-service (50% OOS rate).

Vehicle Out-of-Service 7 OOS

Live FMCSA roadside inspection records, refreshed monthly.

Crash Records (1)

Full crash history on file (all years), newest first. This list may show more than the headline Crashes figure above, because that figure follows the official FMCSA 24-month SMS window used for the Trust Score, older crashes still appear here for transparency.

Date	Location	State	Fatal	Injuries	Tow	Vehicles	Weather	Road	Light
04/01/2026	NON-CITY OR UNINCORPORATE	MO	0	2	1	2	Other/Unknown	Wet	Daylight

Roadside Violations by Safety Category Last 24 months

38 roadside violations across 8 inspections, grouped into FMCSA safety-behavior categories. The shaded portion shows how many were serious enough to result in an out-of-service order.

ViolationsOut-of-service

Vehicle Maintenance 32 violations · 8 OOS

Unsafe Driving 2 violations · 0 OOS

Other (General) 4 violations · 0 OOS

Categories follow FMCSR violation parts (Part 393/396 = Vehicle Maintenance, Part 395 = HOS; "Other" = general/administrative parts such as 390). Raw violation counts and out-of-service results, not FMCSA percentile rankings, which are not published for property carriers.

Inspection Records (8)

Date	State	Level	Location	Violations	OOS	Vehicle Viol	Vehicle OOS	HazMat
06/09/2026	MO	Walk-Around (Level II)	ST. LOUIS MO	2	0	2	0	-	▲Detail
04/27/2026	IL	Full (Level I)	031 - MARYVILLE - I-55/70 S/B	5	1	0	1	-	▲Detail
04/27/2026	IL	Full (Level I)	031 - MARYVILLE - I-55/70 S/B	0	0	0	0	-	▲Detail
04/14/2026	MO	Full (Level I)	PACIFIC MO	8	2	8	2	-	▲Detail
02/24/2026	MO	Driver-Only (Level III)	ST. LOUIS MO	0	0	0	0	-	▲Detail
01/14/2026	MO	Walk-Around (Level II)	ST. LOUIS MO	4	0	4	0	-	▲Detail
01/06/2026	MO	Walk-Around (Level II)	JEFFERSON CITY MO	5	2	5	2	-	▲Detail
12/09/2025	MO	Walk-Around (Level II)	ST LOUIS MO	9	2	9	2	-	▲Detail

Safety Performance Percentiles

FMCSA SMS percentile rankings. Higher percentile = worse performance relative to peers.

Total Inspections7

Vehicle Maintenance 5 viols

Licensing & Insurance

No insurance history records.

No active insurance policies.

No authority history.

No revocation records.

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Trust Score over time and the complete authority and insurance timeline, not just today.

92/100

Excellent

VERIFIED

Every carrier starts at 100. We subtract points for each missing requirement or risk factor below. Verified means all four core requirements pass.

Score breakdown, from 100 to 92

Starts at 100−8 totalFinal 92

Vehicle out-of-service rate above national average−5

Operating history unknown−3

Verification, 4 core requirements

Active operating authority

FMCSA shows the USDOT registration and authority are active.

Operating authority N/A

Not required for private carriers, a private carrier hauls its own goods and needs no for-hire operating authority (no MC number) under FMCSA.

Insurance on file with FMCSA N/A

Not required for private carriers, a non-hazmat private carrier hauling its own goods is generally not required to file proof of insurance with FMCSA.

Safety rating not Unsatisfactory

No Unsatisfactory rating on file.

What's lowering this score

-5

Vehicle out-of-service rate above national average

Vehicle OOS 75% vs national avg 20.72%.

-3

Operating history unknown

No authority grant date on file.

Where this company lands, risk scales

Vehicle out-of-service rate−5 of 5

0 pts · low risk−5 pts · high risk

Vehicle OOS 75% vs national avg 20.72%.

How we calculate the Trust Score

Every company starts at 100

We subtract points for each missing requirement or risk factor. Verified means all the core requirements for that company's type pass. Nothing is added back, the score is a deduction model built only on public FMCSA data. No pay-to-play, no opinions.

Requirements differ by company type

Each company is judged fairly on its own FMCSA obligations. Anything that doesn't apply shows as a grey N/A, not required, never a penalty.

Carrier (for-hire)

Operating authority, authorized-for-hire, insurance on file, safety rating.

Broker

Broker authority + $75k surety bond (BMC-84/85). MCS-150 not required (no fleet).

Freight forwarder

FF authority + $75k bond + BOC-3. MCS-150 not required (no trucks).

Private carrier

Active USDOT + MCS-150 + safety. No operating authority / for-hire / insurance filing required (hauls its own goods).

Crashes are scaled, not flat

Crash history is proportional. We don't apply a flat penalty, we scale it to (a) crashes per vehicle in the fleet and (b) the share of those crashes that were fatal. So a big, safe fleet barely moves; a small fleet with many (and fatal) crashes takes a large hit.

0 pts deductedscaled by rate & severityup to −28 pts

Low end

50,000 vehicles + 1 crash → ~0 pts. A huge fleet with very few crashes per vehicle is almost untouched.

High end

5 vehicles + 3 crashes incl. fatal → large deduction (near the −28 cap). Many crashes per truck, fatal-heavy.

Mechanics: deduction is capped at 28 points, weighted roughly 60% on crashes-per-vehicle and 40% on the fatal ratio. Zero crashes = zero deduction. If fleet size is unknown, only crash severity can move the score (conservative).

Out-of-service rate vs. the national average

Driver and vehicle out-of-service rates are measured against the FMCSA national average, not a flat number. A company only takes the deduction when it sits above the national benchmark, for example “Vehicle OOS 37% vs national avg 20.7%”.

Point reference, the full menu

Every factor and exactly how many points it can remove. Knockout factors (they also fail Verification) are marked.

Factor	Points
USDOT / authority not active with FMCSA knockout	−25
Missing operating authority (when required) knockout	−15
No insurance or surety bond on file (when required) knockout	−25
Unsatisfactory safety rating knockout	−30
Conditional safety rating	−12
MCS-150 biennial update overdue (carriers) knockout	−10
Crashes, rate-adjusted (per-vehicle & fatal share)	0 to −28
Driver OOS rate above national average	−5
Vehicle OOS rate above national average	−5
Very new carrier (under 1 year)	−10
Limited operating history (1-3 years)	−6
Moderate operating history (3-5 years)	−3
Operating history unknown	−3
No public phone number	−3
No public email address	−2

All inputs come from public FMCSA records (operating authority, insurance/bond filings, the SAFER/SMS safety profile, crash & inspection reports). If FMCSA updates a record, the score updates with it. For the full deduction table, see the methodology page.

UNDERDOWN TRENCHING INC

Trust Score

Public record

Company Information

Contact Details

Operating Authorities

Company Overview

Operation Classification

SMS BASIC Scores

Drivers

Equipment

Safety Summary

Insurance

Quick Facts

Safety & Inspection Data

Safety Trends by Year

Out-of-Service Summary Last 24 months

Crash Records (1)

Roadside Violations by Safety Category Last 24 months

Inspection Records (8)

Safety Performance Percentiles

Licensing & Insurance

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