simpl.
Civil Infrastructure Inspection 18 items

Overhead Sign Structure & Truss Inspection

Inspection of overhead sign bridges, cantilevers, and monotube sign supports documenting structural, connection, and fatigue condition of ancillary structures.

AASHTO LTS-6 Standard Specifications for Structural SupportsNBIS Ancillary Structures GuidanceFHWA Sign Structure Inspection

Free PDF · enter your email to download.

General & Identification

  • Sign structure type *
  • Structure identifier and roadway location *
  • Was the previous inspection report and any known fatigue history reviewed?
  • Date of inspection *

Truss & Support Members

  • Are chord and web members free of cracking, section loss, or impact damage? *
  • Are uprights/columns free of corrosion, denting, or distortion? *
  • Is the structure free of excessive vibration or sag under wind/traffic?
  • Are U-bolts, clamps, and member connections tight?

Connections & Fatigue Details

  • Are welded connections (especially tube-to-transverse plate) free of fatigue cracking? *
  • Are bolted flange/splice connections complete and tight? *
  • Were fatigue-sensitive welds examined closely (or NDT'd) where cracking is suspected?

Base, Anchorage & Foundation

  • Are anchor bolts present, tight, and free of corrosion or cracking? *
  • Is the base plate free of cracking and fully bearing? *
  • Is the foundation free of cracking, spalling, tilting, or undermining? *

Sign Panels & Findings

  • Are sign panels, walkways, and attachment hardware secure? *
  • Is the maintenance walkway/handrail, if present, safe?
  • Are any critical structural findings requiring immediate action present? *
  • Inspector signature *

Download the full Overhead Sign Structure & Truss Inspection checklist

Get it as a clean, printable PDF — free.