Home / DOT Specifications / Arizona / Federal & Industry Standards / National Bridge Inspection Standards (NBIS)
🏛️Federal & Industry Standards
National Bridge Inspection Standards (NBIS)
WebArizona Department of Transportation (ADOT)2023 Standard Specifications
The NBIS (23 CFR 650 Subpart C) establishes the national standards for bridge inspection procedures, frequency, qualifications of inspectors, and reporting requirements. All highway bridges on public roads must be inspected in accordance with these federal standards.
Published by FHWA. Final rule update 2022.
Document Viewer
🏛️
This source must be viewed on AZDOT's website
State DOT portals frequently block embedding via X-Frame-Options or Content-Security-Policy headers. Open the canonical source to view the current publication.