State Rankings

2023 State Data Rank: SD bridges as % of inventory Rank: # SD bridges Rank: % of bridge area SD Number of Bridges Number of SD bridges SD Bridges as % of Inventory SD bridge area as % of total area

  • Source: Data is from the Federal Highway Administration (FHWA) National Bridge Inventory (NBI), downloaded on July 3, 2023. Note that specific conditions on bridges may have changed as a result of recent work or updated inspections.

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