Or 74 (hwy 052) over Willow Creek
Morrow County, Oregon · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Or 74 (hwy 052) over Willow Creek in Morrow County, Oregon, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1964, making it 61 years old at the 2025 inventory.
- It carries about 2,909 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 39 of the 71 inventoried bridges in Morrow County rated fair (54.9%); 3 (4.2%) 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 → (45.35825, -119.55345)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 77 ft |
| Location | Heppner |
| NBI structure number | 00777A052 04556 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.
Busiest bridges in Morrow County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-84 (hwy 2) EB over Port of Morrow I/c (EB) | 1984 | 10,457 | Good |
| I-84 (hwy 2) WB over Port of Morrow I/c (WB) | 1984 | 10,457 | Fair |
| I-84 (hwy 006) EB over Irrigon Jct Interchange | 1962 | 9,643 | Fair |
| I-84 (hwy 006) over Irrigon Jct Interchange | 1962 | 9,643 | Fair |
| I-84 (hwy 002) WB over Three Mile Canyon West | 1965 | 7,162 | Fair |
| I-84 (hwy 002) EB over Three Mile Canyon East | 1964 | 7,162 | Good |
All bridges nearby: Morrow County, OR bridge conditions · every bridge in Morrow County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.