Grayback Road over Grayback Creek
Josephine County, Oregon · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Grayback Road over Grayback Creek in Josephine County, Oregon, 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 1985, making it 40 years old at the 2025 inventory.
- It carries about 24 vehicles a day (traffic count year 1993).
- It is one of 81 of the 224 inventoried bridges in Josephine County rated good (36.2%); 6 (2.7%) 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 2021, on a 48-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 → (42.15028, -123.41608)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 70 ft |
| Location | 15MI E & 3MI S of 97523 |
| NBI structure number | 061104000001045 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2021 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 9: foundations on dry land well above flood elevations |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.
Busiest bridges in Josephine County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-5 (hwy 001) over Hillcrest Dr | 1960 | 31,567 | Good |
| I-5 (hwy 001) over Scoville Rd | 1959 | 31,567 | Fair |
| I-5 (hwy 001) over US 199 Or 99 (hwy 025) | 1960 | 31,567 | Good |
| I-5 (hwy 001) over Foothill Blvd | 1960 | 28,016 | Fair |
| I-5 (hwy 001) over Hwy 482 Spur | 2008 | 28,016 | Good |
| Or 238 (hwy 272) over US 199 (hwy 025) NB | 1959 | 26,250 | Fair |
All bridges nearby: Josephine County, OR bridge conditions · every bridge in Josephine County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.