C15-long Creek Rd over N.fork John Day River
Grant County, Oregon · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- C15-long Creek Rd over N.fork John Day River in Grant 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 1899 and reconstructed in 1982, making it 126 years old at the 2025 inventory.
- It carries about 132 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 70 of the 145 inventoried bridges in Grant County rated fair (48.3%); 6 (4.1%) 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 August 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 → (44.9691, -119.2765)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Prestressed concrete channel beam |
| Length | about 193 ft |
| Location | 26.0 Mi NW Jct US 395 |
| NBI structure number | 23C151015 02602 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | U: unknown foundation, not evaluated for scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.
Busiest bridges in Grant County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 26 (hwy 005) over Canyon Creek (john Day) | 2002 | 6,551 | Good |
| US 26 (hwy 005) over John Day River (coles) | 2010 | 2,849 | Good |
| US 26 (hwy 005) over Beech Cr(mt Vernon) | 1956 | 2,836 | Fair |
| US 26 (hwy 005) over Dixie Crk (prairie City) | 1939 | 2,104 | Fair |
| US 26 (hwy 005) over Indian Creek | 1939 | 1,893 | Fair |
| US 26 (hwy 005) over John Day R(prairie City) | 1939 | 1,893 | Fair |
All bridges nearby: Grant County, OR bridge conditions · every bridge in Grant County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.