C61-n.riverside Rd over John Day R(riverside Br)
Grant County, Oregon · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- C61-n.riverside Rd over John Day R(riverside Br) in Grant County, Oregon, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1959, making it 66 years old at the 2025 inventory.
- It carries about 55 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.
- 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 → (44.41935, -118.60021)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 34 ft |
| Location | 5.1 Mi S Jct US 26 |
| NBI structure number | 23C611061 00580 |
| Condition class | Fair |
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.