Hwy 339 over W F Little Walla Walla
Umatilla County, Oregon · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Hwy 339 over W F Little Walla Walla in Umatilla 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 1919 and reconstructed in 1955, making it 106 years old at the 2025 inventory.
- It carries about 2,172 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 213 of the 321 inventoried bridges in Umatilla County rated fair (66.4%); 14 (4.4%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: deck 6 to 7, superstructure 6 to 7.
- Its most recent inspection on record is dated February 2024, 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 → (45.95289, -118.40274)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 7 | Good condition |
| Superstructure | 6 | 7 | Good condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 22 ft |
| Location | 2.0 Mi. N. Jct. Or 11 |
| NBI structure number | 04703 339 00331 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | February 2024 |
| 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 Umatilla County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 395 (hwy 028) over Tutuilla Creek | 1969 | 24,592 | Fair |
| Stateline Road over Pine Creek | 1964 | 17,928 | Poor |
| I-84 (hwy 006) over Westland Irr Canal | 1967 | 16,309 | Fair |
| Goad Rd over I-84 (hwy 006) | 1969 | 13,736 | Good |
| I-82 (hwy 070) EB over Columbia River | 1955 | 12,412 | Fair |
| I-82 (hwy 070) WB over Columbia River | 1988 | 12,412 | Fair |
All bridges nearby: Umatilla County, OR bridge conditions · every bridge in Umatilla County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.