SD034 over Belle Fourche Rv
Meade County, South Dakota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SD034 over Belle Fourche Rv in Meade County, South Dakota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1998, making it 27 years old at the 2025 inventory.
- It carries about 833 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 90 of the 213 inventoried bridges in Meade County rated fair (42.3%); 27 (12.7%) 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 June 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (44.5126, -103.13588)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 372 ft |
| Location | 17.6 NE Jct SD79 N |
| NBI structure number | 000000047215363 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2024 |
| 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 Meade County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I090 over Rc P&e RR | 2008 | 21,020 | Fair |
| I090 over Ck | 1957 | 20,060 | Fair |
| I090 over Alkali Ck | 1947 | 18,840 | Fair |
| I090 over Pleasant Valley Ck | 2023 | 18,420 | Good |
| I090 over Rcp&e RR | 1981 | 18,420 | Fair |
| I090 over Ck | 1956 | 18,420 | Good |
All bridges nearby: Meade County, SD bridge conditions · every bridge in Meade County · South Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.