Haynes Road over Giles Ck
Perkins County, South Dakota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Haynes Road over Giles Ck in Perkins County, South Dakota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1948, making it 77 years old at the 2025 inventory.
- It carries about 26 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 25 of the 60 inventoried bridges in Perkins County rated fair (41.7%); 3 (5.0%) 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.
View this bridge on a map → (45.83726, -102.44395)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 5 | Fair condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 31 ft |
| Location | 4W 7.8S White Butte |
| NBI structure number | 000000053251078 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Dakota department of transportation.
Busiest bridges in Perkins County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SD073 over East Flat Ck | 2018 | 663 | Good |
| SD073 over Flat Ck | 1995 | 663 | Good |
| SD073 over Grand Rv | 1995 | 663 | Fair |
| SD073 over Moreau Rv | 2016 | 425 | Good |
| SD073 over Flint Rock Ck | 2016 | 425 | Good |
| SD073 over Thunder Butte Ck | 2005 | 423 | Good |
All bridges nearby: Perkins County, SD bridge conditions · every bridge in Perkins County · South Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.