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I090 W over Rcp&e RR

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

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

I090 W over Rcp&e RR in Pennington County, South Dakota, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1968, making it 57 years old at the 2025 inventory.
It carries about 3,977 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 206 of the 348 inventoried bridges in Pennington County rated fair (59.2%); 21 (6.0%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 181 ft
Location	0.5 W Sd 240 Interch
NBI structure number	000000052905364
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I090 over Boxelder Ck	1994	26,980	Good
Cambell St over Ck	1964	23,179	Fair
SD079NF over St Joseph St Rcp&e RR	1964	23,179	Fair
Cambell St over Rapid Ck	1967	21,415	Fair
West Main St. over Rapid Ck	1975	20,745	Good
SD231 over Rapid Ck	1974	20,057	Fair