I090 W over Base Line Rd Rcp&e RR
Pennington County, South Dakota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I090 W over Base Line Rd Rcp&e RR in Pennington County, South Dakota, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2002, making it 23 years old at the 2025 inventory.
- It carries about 4,404 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 121 of the 348 inventoried bridges in Pennington County rated good (34.8%); 21 (6.0%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated November 2023, on a 24-month routine inspection cycle.
- 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 → (44.06532, -102.44744)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 219 ft |
| Location | Wasta Interchange |
| NBI structure number | 000000052800310 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2023 |
| 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 Pennington County
| 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 |
All bridges nearby: Pennington County, SD bridge conditions · every bridge in Pennington County · South Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.