US 20 (hwy 007) over Silver Creek
Harney County, Oregon · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 20 (hwy 007) over Silver Creek in Harney County, Oregon, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1956, making it 69 years old at the 2025 inventory.
- It carries about 2,325 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 61 of the 128 inventoried bridges in Harney County rated fair (47.7%); 2 (1.6%) are rated poor.
- 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 → (43.54197, -119.51571)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Concrete channel beam |
| Length | about 45 ft |
| Location | 004 Mi W Hwy 49 Jct |
| NBI structure number | 03505A007 10423 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.
Busiest bridges in Harney County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 20 (hwy 007) over Silvies River | 1999 | 2,834 | Good |
| US 20 (hwy 007) over Willow Creek | 1993 | 2,792 | Fair |
| US 20 (hwy 007) over Poison Creek(susans Br) | 1966 | 2,332 | Good |
| US 20 (hwy 007) over Foley Slough | 1999 | 2,332 | Good |
| US 20 (hwy 007) over Miller Creek | 2004 | 2,325 | Good |
| US 20 (hwy 007) over Dry Creek | 2005 | 2,325 | Good |
All bridges nearby: Harney County, OR bridge conditions · every bridge in Harney County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.