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392ND Avenue over James River

Spink County, South Dakota · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (44.90132, -98.39056)

Component ratings

ComponentRating (2024)Rating (2025)FHWA scale meaning
Deck66Satisfactory condition
Superstructure66Satisfactory condition
Substructure77Good condition

Bridge details

StructureContinuous concrete slab
Lengthabout 240 ft
Location1.3N 4.3W Frankfort
NBI structure number000000058160237
Condition classFair
Traffic status (item 41)Open, no restriction
Last inspection (item 90)September 2024
Inspection interval (item 91)24 months
Scour (item 113)8: foundations stable, scour above the top of the footing

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

Busiest bridges in Spink County

BridgeBuiltVehicles/dayCondition
US281 over Turtle Ck19632,141Fair
US281 over Snake Ck19782,141Fair
US281 over BNSF RR19981,891Fair
US212 over Turtle Ck20171,638Fair
US212 over James Rv19681,554Fair
US212 over Timber Ck20071,202Good

All bridges nearby: Spink County, SD bridge conditions · every bridge in Spink County · South Dakota bridges.

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