Sixes River Road over Big Creek
Curry County, Oregon · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sixes River Road over Big Creek in Curry County, Oregon, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1957 and reconstructed in 1996, making it 68 years old at the 2025 inventory.
- It carries about 50 vehicles a day.
- It is one of 66 of the 101 inventoried bridges in Curry County rated fair (65.3%); 6 (5.9%) 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 June 2023, 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 → (42.80819, -124.26186)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 83 ft |
| Location | 5MI N & 12MI E 97465 |
| NBI structure number | 061105000001049 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.
Busiest bridges in Curry County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US101(HWY009) over Chetco River | 1972 | 18,250 | Fair |
| US101(HWY009) over Winchuck River | 1965 | 8,930 | Fair |
| US101(HWY009) over Rogue River (wedderburn) | 1930 | 7,286 | Fair |
| US101(HWY009) over Morton Creek | 1925 | 5,197 | Fair |
| US101(HWY009) over Willow Creek | 1925 | 5,056 | Fair |
| US101(HWY009) over Floras Creek | 1967 | 5,056 | Fair |
All bridges nearby: Curry County, OR bridge conditions · every bridge in Curry County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.