Civil Infrastructure Inspection 19 items
Cantilever Mast Arm Traffic Signal Structure Inspection
Structural and fatigue inspection of cantilever mast arm poles supporting traffic signals and luminaires, emphasizing arm-to-pole connections and anchor systems.
AASHTO LTS SpecificationMUTCDFHWA Sign and Signal Structures
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Pole Identification
- Structure/pole ID *
- Date of inspection *
- Mast arm length (feet)
- Is a lift/bucket truck required to reach the arm connection?
Foundation & Anchor Bolts
- Are anchor bolts free of cracking, corrosion, or missing/loose nuts? *
- Are double-nut leveling connections properly gapped and torqued? *
- Is the foundation free of cracking, settlement, or exposed reinforcement? *
- Is the base plate-to-pole weld free of visible cracks? *
Arm-to-Pole Connection
- Is the mast-arm-to-pole flange/gusset connection free of weld cracking? *
- Are connection bolts tight with no signs of slip, elongation, or missing hardware? *
- Is the arm free of excessive vertical deflection or drooping beyond tolerance?
- Is a handhole cover present and its reinforcement weld crack-free?
Pole, Attachments & Electrical
- Is the pole free of dents, buckling, corrosion perforation, or impact damage? *
- Are signal heads, backplates, and luminaires securely mounted? *
- Is wiring properly grounded with intact conduit and no exposed conductors?
- Is the pole cap/top plate sealed to prevent water intrusion?
Rating & Actions
- Condition rating (0-9)
- Are critical structural deficiencies present? *
- Findings and recommended actions
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