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Structural Inventory and Appraisal (SI&A) Data


Data recorded and stored for each bridge as standardized by the Federal Highway Administration to effectively monitor and manage a bridge inventory. Data submissions follow the current version of U. S. Department of Transportation, Federal Highway Administration, Report No. FHWA-PD-96-001, Recording and Coding Guide for the Structure Inventory and Appraisal of the Nation's Bridges and associated guidance.

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