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FMCSA - Federal Motor Carrier Safety Adminstration

CSA - Compliance, Safety, Accountability

Working Together for Safety.


SMS - Safety Measurement System SMS - Safety Measurement System

DUNN CONSTRUCTION COMPANY INC

  • 100498
  • 3905 AIRPORT HWY
    BIRMINGHAM, AL 35222-1419
  • 108
  • 108
  • 219

Safety Rating & OOS Rates AND Licensing and Insurance

As part of FMCSA’s IT modernization strategy, we are merging our data platforms to make it easier for you to find the information you need. For safety rating, Out-of-Service (OOS) rates, and licensing and insurance information, visit Motus, the FMCSA Registration and Management system.

Vehicle Maintenance

More Info

On-Road Performance

4.66 How is the measure calculated?

Safety Event Group: 101-500 relevant vehicle inspections

Investigation Results

No Acute/Critical Violations Discovered

Expand Graph

Carrier Measure Over Time

  • Trends

This graph displays a carrier’s measure based on 24 months of on-road performance. Zero indicates the best performance. To see how the measure is calculated click here. To see how the measure relates to percentile click here. Expand for more information.

  • 8
  • 6
  • 4
  • 2
  • 0
  • -2
  • Nov 28
  • Dec 26
  • Jan 30
  • Feb 27
  • Mar 27
  • Apr 24
  • 2025
  • 2025
  • 2026
  • 2026
  • 2026
  • 2026
  Nov 28 2025 Dec 26 2025 Jan 30 2026 Feb 27 2026 Mar 27 2026 Apr 24 2026
Measure 4.54 4.63 4.55 4.14 4.68 4.66
Measure 0 0 0 0 0 0

Violation Summary

Vehicle Maint. Violations: 134

Violations Description # Violations # OOS Violations Violation Severity Weight
393.9 Inoperable Required Lamp 16 2 2
393.9A-LIL Lighting - Identification lamp(s) inoperative 8 0 2
393.78 Wipers - Inoperative / missing / damaged wipers 7 1 1
396.17(c) Operating a CMV without proof of a periodic inspection 7 0 4
393.60(c) Windshield - Damaged or Discolored 6 0 1
393.95(a) No/discharged/unsecured fire extinguisher 6 0 2
396.17C-PI Operating a CMV without documentation of a periodic inspection 6 0 4
393.11A1-CSLRR Conspicuity Systems - Truck tractor, lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997 4 0 3
393.9A-LLPL Lighting - License plate lamp inoperative 4 0 2
393.9A-LSML Lighting - Side marker lamp(s) inoperative 4 0 2
393.11 No or defective lighting devices or reflective material as required 3 0 3
393.55C2-B Air Brake - CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system. System does not function or indicates a fault. 3 0 4
393.75C-TAOTD-LT2/32 Tires - Less than 2/32 inch tread depth 3 0 8
393.78A-WS Washers - Inoperative washing system. 3 0 1
393.100(b) Leaking/spilling/blowing/falling cargo 2 2 7
393.100B-C Cargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV 2 2 7
393.11TL Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 2 0 3
393.203(c) Hood not securely fastened 2 0 2
393.205(c) Wheel fasteners loose and/or missing 2 2 2
393.209(e) Power steering violations 2 0 6
393.48A-BIHE Hydraulic/Electric Brake - Inoperative other than a steering axle. 2 0 4
393.55(c)(2) CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system. 2 0 4
393.55(e) No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/1998 2 0 4
393.55E-B Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 2 0 4
393.75(a)(3) Tire-flat and/or audible air leak 2 2 8
393.75A3-TAOL Tires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS 2 2 8
393.9(a) Inoperative Brake Lamps 2 0 6
393.9A-LSLI Lighting - Stop lamps - Any inoperative. 2 0 6
393.9TS Inoperative turn signal 2 0 6
396.5(b) Oil and/or grease leak 2 0 3
396.9(d)(2) Failure to correct defects noted on previous inspection report 2 0 4
393.11A1-LLPL Lighting - License plate lamp missing 1 0 2
393.11A1-LSML Lighting - Side marker lamp(s) missing 1 0 2
393.11TU Truck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 1997 1 0 3
393.205A-WRDC Wheel/Rim - Disc wheel cracked more than 3 inches 1 1 2
393.205C-WRAWFLMIB Wheel/Rim - Any wheel fasteners loose/missing/ineffective/broken. 1 0 2
393.209E-SPSLA Steering - Power steering leaking anywhere. 1 0 6
393.45D-B Air Brake - Audible air leak at a proper connection 1 0 4
393.45D-BAAL Air Brake - Audible air leak at other than a proper connection 1 1 4
393.60(d) Windshield / Windows - Tinting permits less than 70% of light transmittance 1 0 1
393.75(a) Flat tire or fabric exposed 1 1 8
393.75B-OOS Tire-front tread depth less than 2/32 of inch on a major tread groove 1 0 8
393.75C-TAOTD-LT1/32 Tires - Less than 1/32 inch tread depth at 3 locations/2 adjacent tread grooves 1 1 8
393.75G-LOAD Weight carried exceeds tire load limit 1 1 3
393.9A-LCL Lighting - Clearance lamp(s) inoperative 1 0 2
393.9A-LHLI Lighting - Headlamp(s) - Any inoperative 1 0 6
393.9A-LTSI Lighting - Turn signal - Any inoperative on the rearmost vehicle. 1 1 6
393.9A-LTSIR Lighting - Turn signal -Any inoperative on a unit that is not the rearmost unit 1 0 6
396.3A1-BALAC Brake - Audible air leak from a brake chamber 1 0 4
396.3A1-BALR Air Brake - Fails air loss rate test 1 1 4
396.5B-L Lubrication - Oil or grease leak 1 0 3

Inspection History

Vehicle Inspections: 108

Please select to view your Inspection History. You can also sort your data by Date, Report Number, Vehicle Type, etc.

(or)
Report Vehicle Measure = Sum of the Total Weight (TotW) Sum of the Time Weight (TiW)
Inspection Date Number State Plate Number Plate State Type Severity Weight
(SW)
Time Weight
(TiW)
Total Weight
(TotW)
Sum of measure weights Sum of measure weights 493 166 774
TotW TiW
=
774 166
= 4.66
More Info

*** The sum of all violation severity weights (violation weight + out-of-service) for this inspection has been capped at 30.

Investigation Results

Vehicle Maint. Acute/Critical Violations: 0

This carrier has no Vehicle Maintenance Acute/Critical Violations to display.

Summary of Activities

The summary includes information on the 5 most recent investigations and 24 months of inspections and crash history.

  • 1/26/2012 (Non-Ratable Review)
  • 219
    • 142
    • 77
  • : 9

*Crashes listed represent a motor carrier’s involvement in reportable crashes, regardless of the carrier’s or driver’s role in the crash. Continue for details.

Continue for more Crash, Inspection & Investigation Details

Inspection Selection System

As part of FMCSA’s IT modernization strategy, we are merging our data platforms to make it easier for you to find the information you need. For safety rating, Out-of-Service (OOS) rates, and licensing and insurance information, visit Motus, the FMCSA Registration and Management system.

Enforcement Cases

(Six years as of 05/22/2026 updated monthly from FMCSA )

No penalties found

Tools/Resources

SMS Methodology How to Improve Request a Data Review
For U.S. DOT# 100498
Complete SMS Profile Carrier History Downloads