Carrierintel
SS

SUPERIOR STEEL INC

Carrierintel Safety Score: 55/100. 16 inspection violations in 12 months. Last inspected Oct 2026.

DOT 315652ActiveInterstateKNOXVILLE, TN

COMPANY

Authority since
—
MCS-150
2025-04-18 · 511,000 mi (2024)
Fleet
34 units · 53 trailers · 29 drivers
Annual mileage (VMT)
511,000 mi (2024)

ADDRESS

Physical
5277 N NATIONAL DR
KNOXVILLE, TN 37914
Mailing
Same as physical

CONTACT

Phone
8655220253
Email
nmunday@superstl.com

OFFICERS

Primary Officer
MARK MUNDAY
Title
PRESIDENT

OPERATION & CARGO

Operation classification
Private Property
Specialty
Construction & Building Materials
Cargo types
4
Building MaterialsMachinery, Large ObjectsConstructionOther: STRUCTURAL STEEL
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
461 mo
Since USDOT registration
INSURANCE
Verification needed
No federal insurance filing found. Whether this carrier must file one is unclear from its registration; verify coverage through state records or the insurer.
RISK GRADE
Moderate Risk
1 risk factors · 1 strengths
OOS RATE
37.5%
12 / 32 inspections

Carrierintel Safety Score

Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.

55
out of 100
Fair
Markers: OOS inspection Crash Fatality

Fleet vs Reality

last 12 months · power-unit VINs from roadside inspections
Declared (MCS-150)
34 power units
Unique power units seen
6
+ 9 trailer VINs
Inspections
12
Discrepancy
0.2x

Moderate Risk

1 risk factor · 1 strengths · 3 data points

SAFETY PERFORMANCE

Crash Record
9 crashes · 0 fatal · 3 with injuries · 8 tow-away
Clean Inspection Rate
63% — 20 clean of 32 inspections
Out-of-Service Rate
37.5% — driver OOS 3 insp., vehicle OOS 10 insp.

COMPLIANCE & AUTHORITY

USDOT Registration
Status: Active
Operating Authority
No operating authority on file
Out-of-service orders
None on record
Authority Events
No authority history events
MCS-150 Filing
Last filed 2025-04-18

INSURANCE

Active Coverage
Verification needed — No federal insurance filing found. Whether this carrier must file one is unclear from its registration; verify coverage through state records or the insurer.

SUMMARY

Severe OOS rate 48% (last 24 mo)
Low crash rate (2.9 per 100 trucks/yr)

INDUSTRY REPORTS

  • ELD Tampering — Carriers cited for ELD tampering under 49 CFR § 395.8(e), by carrier and state.
  • Top Violations — The ten most-cited FMCSA violation codes of the last 30 days.
  • Phantom Fleets — Declared power units against the vehicles seen at roadside inspections.
  • English Proficiency — Carriers whose drivers were cited under 49 CFR § 391.11(b)(2), by carrier and state.
  • Methodology — Where the data comes from and how the Safety Score and Risk Grade are built.

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