Chance Road over Rabbit Ck
Perkins County, South Dakota · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Chance Road over Rabbit Ck in Perkins County, South Dakota, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1950, making it 75 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 3 of the 60 inventoried bridges in Perkins County rated poor (5.0%); 3 (5.0%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (45.30389, -102.39819)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 7 | Good condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 204 ft |
| Location | 15.7S 3.4E Bison |
| NBI structure number | 000000053274447 |
| Condition class | Poor |
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.