US014 over Grindstone Ck
Haakon County, South Dakota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US014 over Grindstone Ck in Haakon County, South Dakota, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 9 (excellent condition) on the 0-9 scale.
- It was built in 2024, making it 1 years old at the 2025 inventory.
- It carries about 660 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 23 of the 69 inventoried bridges in Haakon County rated good (33.3%); 8 (11.6%) are rated poor.
- 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 → (44.05241, -101.61732)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 9 | Excellent condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 53 ft |
| Location | 2.6 E of Philip |
| NBI structure number | 000000028195480 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Dakota department of transportation.
Busiest bridges in Haakon County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US014 over Ck | 1955 | 978 | Fair |
| US014 over Ck | 1955 | 978 | Fair |
| US014 over North Fork Bad Rv | 1995 | 978 | Fair |
| SD073 over West Plum Ck | 1990 | 700 | Fair |
| SD073 over Grindstone Ck | 1954 | 700 | Fair |
| US014 over Ck | 1954 | 660 | Fair |
All bridges nearby: Haakon County, SD bridge conditions · every bridge in Haakon County · South Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.