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SD050 over Sd 50 Wl So Dak Owned R

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

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (42.79492, -96.97803)

Component ratings

ComponentRating (2024)Rating (2025)FHWA scale meaning
Deck77Good condition
Superstructure77Good condition
Substructure77Good condition

Bridge details

StructureContinuous steel stringer or multi-beam girder
Lengthabout 393 ft
Location2 NW of Vermillion
NBI structure number000000014092199
Condition classGood
Traffic status (item 41)Open, no restriction
Last inspection (item 90)April 2024
Inspection interval (item 91)24 months
Scour (item 113)N: not over a waterway

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

Busiest bridges in Clay County

BridgeBuiltVehicles/dayCondition
SD050 over Vermillion Rv19815,147Fair
SD046 over Blind Ck20203,303Good
SD050 E over SD050 L19773,094Fair
SD019 over Vermillion Rv19972,764Good
SD019 over BNSF RR19972,764Good
SD046 over West Fork Frog Ck20212,559Good

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

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