SD271 over Spring Ck
Campbell County, South Dakota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SD271 over Spring Ck in Campbell 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 1994, making it 31 years old at the 2025 inventory.
- It carries about 128 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 7 of the 16 inventoried bridges in Campbell County rated good (43.8%); 0 (0.0%) 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 December 2022, on a 48-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 → (45.88253, -99.80109)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 105 ft |
| Location | 0.2 S of Artas |
| NBI structure number | 000000011330041 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | December 2022 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Dakota department of transportation.
Busiest bridges in Campbell County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US083 over Spring Ck | 2006 | 1,095 | Good |
| US083 over Mcclarem Lk Outlet | 2006 | 1,095 | Good |
| US083 over Ck | 2006 | 1,095 | Good |
| US083 over Ck | 2011 | 949 | Good |
| SD010 over Lake Pocasse Lk | 1961 | 387 | Fair |
| SD010 over Br Spring Ck | 1961 | 387 | Fair |
All bridges nearby: Campbell County, SD bridge conditions · every bridge in Campbell County · South Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.