I090 W over SD038 P
Hanson County, South Dakota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I090 W over SD038 P in Hanson County, South Dakota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1965, making it 60 years old at the 2025 inventory.
- It carries about 6,685 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 42 of the 62 inventoried bridges in Hanson County rated fair (67.7%); 8 (12.9%) 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.
View this bridge on a map → (43.69501, -97.9471)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 125 ft |
| Location | 3.2 E Sd 37 S Interchange |
| NBI structure number | 000000031010106 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Dakota department of transportation.
Busiest bridges in Hanson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I090 W over James Rv BNSF RR | 1967 | 7,206 | Fair |
| I090 E over James Rv BNSF RR | 1967 | 7,206 | Fair |
| I090 E over SD038 P | 1965 | 6,685 | Fair |
| I090 W over 419 Ave | 1965 | 6,685 | Good |
| I090 E over 419 Ave | 1965 | 6,685 | Fair |
| I090 W over Wolf Ck | 1964 | 6,380 | Fair |
All bridges nearby: Hanson County, SD bridge conditions · every bridge in Hanson County · South Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.