US012 over BNSF RR
Edmunds County, South Dakota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US012 over BNSF RR in Edmunds 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 2006, making it 19 years old at the 2025 inventory.
- It carries about 2,068 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 7 of the 20 inventoried bridges in Edmunds County rated good (35.0%); 5 (25.0%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated fair in the 2024 inventory and is now good (deck 6 to 7).
- Its most recent inspection on record is dated July 2024, 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 → (45.44916, -99.32818)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 290 ft |
| Location | 0.5 E of Roscoe |
| NBI structure number | 000000023186100 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Dakota department of transportation.
Busiest bridges in Edmunds County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US012 over Preachers Run Ck | 1974 | 3,329 | Fair |
| US012 over Burlington Northern RR | 1970 | 3,329 | Fair |
| US012 over Ck | 1974 | 2,666 | Poor |
| SD045 over Ck | 1986 | 660 | Fair |
| SD045 over Ck | 1992 | 391 | Good |
| SD045 over Ck | 1992 | 391 | Good |
All bridges nearby: Edmunds County, SD bridge conditions · every bridge in Edmunds County · South Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.