DEAN EXCAVATING AND GRADING INC

USDOT 383439 · Chester, SC

Not for-hire

Quick answers

What is DEAN EXCAVATING AND GRADING INC's USDOT number?
DEAN EXCAVATING AND GRADING INC is registered under USDOT 383439, based in Chester, SC. FMCSA classifies it as a private (not-for-hire) carrier.
How large is DEAN EXCAVATING AND GRADING INC's fleet?
DEAN EXCAVATING AND GRADING INC reports 23 power units and 22 drivers in its FMCSA record in Chester, SC.

Answers reflect the public FMCSA record as of June 6, 2026; figures can change at any time.

Operating snapshot

23Power units (fleet size)
22Drivers reported
36Years since registration
125KAnnual miles reported (2024)
Chester, SCHome base
29Inspections (24 mo)

Public FMCSA census & inspection records · as of 2026-06-06

59
Moderate
HaulReport estimate · highest estimated percentile
Vehicle Maintenance is this carrier's highest reconstructed BASIC percentile at the 59.4th percentile among 22,065 safety-event peers. Across 3 rated categories, 2 are estimated Low. Higher percentile = more inspection-violation activity recorded relative to peers. An independent estimate, not an official FMCSA or CSA score.
Estimated from public FMCSA data · updated 2026-06-08 · How we calculate this

DEAN EXCAVATING AND GRADING INC is a private property motor carrier based in Chester, SC, operating 23 power units and 22 drivers, and has been registered with FMCSA for about 36 years (since 1990). In this public FMCSA inspection snapshot it has 29 recorded inspections, with a vehicle out-of-service rate of 36.4% (above the 21.2% snapshot benchmark) and a driver out-of-service rate of 6.9% (about the same as the 5.2% benchmark). HaulReport's highest reconstructed BASIC percentile for this carrier is Vehicle Maintenance at the 59.4th percentile (estimated band: Moderate), ranked among 22,065 safety-event peers — an independent estimate, not an official FMCSA or CSA score.

HaulReport interpretation — auto-generated from the public FMCSA data below and our percentile estimates.

Estimated BASIC percentiles

Controlled Substances / AlcoholLow
38.7 pctl · CI 3444
BASIC measure: 0.47Insp. w/ violation: 1Peer group: 7,862
Hours-of-Service ComplianceLow
39.2 pctl · CI 3444
BASIC measure: 0.33Insp. w/ violation: 29Peer group: 20,717
Vehicle MaintenanceModerate
59.4 pctl · CI 5464
BASIC measure: 5.92Insp. w/ violation: 11Peer group: 22,065

Out-of-service rates

Vehicle OOS36.4%above the 21.2% snapshot benchmark · 11 inspections
Driver OOS6.9%about the same as the 5.2% snapshot benchmark · 29 inspections

Out-of-service rate = inspections resulting in an out-of-service order ÷ inspections. The benchmark is the inspection-weighted rate across this FMCSA snapshot — not an official national average. Rates are shown only with at least 5 inspections.

MCS-150 biennial update

Due September 2027
Next biennial update dueSeptember 2027
Recurring update monthSeptember, odd-numbered years
Last MCS-150 update on fileMay 14, 2025

FMCSA sets each carrier's biennial update month from the last two digits of the USDOT number (last digit → month, second-to-last digit → odd/even year) — it is required even when nothing has changed. This is a schedule derived from the public rule, not a compliance determination. Verify and file on FMCSA · Deadline calculator

Carrier facts (public FMCSA data)
Verbatim public facts from FMCSA datasets. Only the percentile/band/confidence figures above are HaulReport reconstructions — not official FMCSA or CSA scores.
USDOT number383439
Legal nameDEAN EXCAVATING AND GRADING INC
LocationCHESTER, SC
Operating classificationNot for-hire (per FMCSA census)
Power units (fleet size)23
Drivers22
Reported annual mileage125,492 (reported for 2024)
FMCSA registered1990 (~36 years)
Last MCS-150 updateMay 14, 2025
Next MCS-150 update dueSeptember 2027
Inspections (trailing 24 mo)29
Published BASIC measures3

State reference data: Truck-crash statistics for South Carolina — state-wide totals for all carriers registered in South Carolina, not specific to this carrier.

FMCSA data as of 2026-06-06 · Last synced 2026-06-08 · Method: how these percentiles are reconstructed · Canonical: https://haulreport.com/carrier/383439/