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🏛️Federal & Industry Standards
National Bridge Inspection Standards (NBIS)
WebMinnesota Department of Transportation (MnDOT)2020 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.
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