27690 396 Ave over Ck
Douglas County, South Dakota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 27690 396 Ave over Ck in Douglas County, South Dakota, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 1988, making it 37 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 19 of the 44 inventoried bridges in Douglas County rated good (43.2%); 7 (15.9%) 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 → (43.37085, -98.26951)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete tee beam |
| Length | about 29 ft |
| Location | 1 E & 3 S Corsica Lake |
| NBI structure number | 000000022220089 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Dakota department of transportation.
Busiest bridges in Douglas County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SD044 over Choteau Ck | 1961 | 1,785 | Fair |
| SD044 over Br Choteau Ck | 1960 | 1,785 | Good |
| SD044 over Andes Ck | 1957 | 1,516 | Fair |
| US281 over Ck | 1998 | 1,232 | Good |
| Irr US018 over Creek | 1961 | 556 | Poor |
| Irr US018 over Branch of Choteau Ck | 1961 | 556 | Fair |
All bridges nearby: Douglas County, SD bridge conditions · every bridge in Douglas County · South Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.