39610 281 St over Choteau Ck
Douglas County, South Dakota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 39610 281 St over Choteau 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 deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1977, making it 48 years old at the 2025 inventory.
- It carries about 77 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.
- 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 August 2023, on a 24-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 → (43.31126, -98.26621)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete tee beam |
| Length | about 40 ft |
| Location | 0.5S & 4.1E of Armour |
| NBI structure number | 000000022221130 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2023 |
| Inspection interval (item 91) | 24 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 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.