24940 416 Avenue over Rock Ck

Hanson County, South Dakota · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

• 24940 416 Avenue over Rock Ck in Hanson County, South Dakota, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
• It was built in 2003, making it 22 years old at the 2025 inventory.
• It carries about 15 vehicles a day (traffic count year 2022).
• Its listed owner is the county highway agency.
• It is one of 12 of the 62 inventoried bridges in Hanson County rated good (19.4%); 8 (12.9%) are rated poor.
• A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

View this bridge on a map → (43.76956, -97.88942)

Component ratings

Bridge details

Source: FHWA National Bridge Inventory, 2025 data as reported by the South Dakota department of transportation.

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Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.