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Civil Infrastructure Inspection 20 items

FHWA Element-Level Bridge Inspection (AASHTO Elements)

Element-level bridge inspection assigning quantities to AASHTO condition states (CS1-CS4) for National Bridge Elements and Bridge Management Elements.

AASHTO Manual for Bridge Element InspectionFHWA NBI Element Data23 CFR 650

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Element Inventory Setup

  • Are all National Bridge Elements (NBEs) present on the structure identified with correct element numbers? *
  • Is the total quantity for each element verified against plans or prior inspection? *
  • Structure number *

Deck/Slab Elements

  • Reinforced concrete deck (Element 12) total quantity (sq ft) *
  • Quantity in Condition State 3 (Poor) - deck
  • Quantity in Condition State 4 (Severe) - deck
  • Are wearing surface and protective system elements rated separately where present?

Superstructure Elements

  • Steel girder/beam (Element 107) total quantity (linear ft)
  • Prestressed concrete girder (Element 109) total quantity (linear ft)
  • Is corrosion (defect 1000) or cracking (defect 1130) quantified to the correct condition state? *
  • Quantity in Condition State 4 (Severe) - primary superstructure

Bearings & Joints

  • Bearing element (Element 310-315) condition states assigned by quantity? *
  • Strip seal / expansion joint (Element 300-serie) quantity in CS3 or worse (linear ft)
  • Is joint leakage documented as a defect affecting adjacent elements?

Substructure Elements

  • Reinforced concrete column (Element 205) total quantity (each)
  • Reinforced concrete abutment (Element 215) total quantity (linear ft)
  • Are all substructure quantities distributed across CS1-CS4 with the sum equal to the total element quantity? *

Quality & Submission

  • Does the sum of condition-state quantities equal the total quantity for every element (no unassigned quantity)? *
  • Are element inspection notes recorded to justify CS3/CS4 assignments? *
  • Inspector signature *

Download the full FHWA Element-Level Bridge Inspection (AASHTO Elements) checklist

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