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Federal
National Bridge Inventory NGDA
Federal Geographic Data Committee —
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
BLM OR Culverts Point Hub
Department of the Interior —
CULVERTS_PUB_PT: This dataset defines attributes for major and minor culvert structures. According to BLM Manual 9100, a culvert is “a conduit or passageway, not... -
Federal
BETA - Hazard Exposure: National Highway System Bridges NGDA
Federal Geographic Data Committee —
The BETA - Hazard Exposure: National Highway System Bridges dataset was updated on October 16, 2025 from the Bureau of Transportation Statistics (BTS) and is part of...