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Federal
National Bridge Inventory NGDA
Department of Transportation —
The National Bridge Inventory dataset is as of June 20, 2025 from the Federal Highway Administration (FHWA) and is part of the U.S. Department of Transportation... -
Federal
National Tunnel Inventory
Department of Transportation —
The National Tunnel Inventory dataset was compiled on September 02, 2025 and published on August 26, 2025 from the Federal Highway Administration (FHWA) and is part... -
Federal
National Tunnel Inventory Element Data
Department of Transportation —
The National Tunnel Inventory Elements dataset was compiled on September 02, 2025 and published on August 26, 2025 from the Federal Highway Administration (FHWA) and...