Hwy 154 over Farmer River
Yamhill County, Oregon · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Hwy 154 over Farmer River in Yamhill 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 1932, making it 93 years old at the 2025 inventory.
- It carries about 4,358 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 103 of the 150 inventoried bridges in Yamhill County rated fair (68.7%); 13 (8.7%) are rated poor.
- Its traffic status in the 2025 inventory is posted for another load-capacity restriction (speed, number of vehicles on the bridge, etc.) (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated June 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 → (45.16945, -123.10783)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 95 ft |
| Location | 03.1 Mi S Hwy 39 Jct |
| NBI structure number | 01730 154 00311 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for another load-capacity restriction (speed, number of vehicles on the bridge, etc.) |
| Last inspection (item 90) | June 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.
Busiest bridges in Yamhill County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| OR 18 (Hwy 39) over Yamhill River Overflow | 1963 | 24,417 | Fair |
| Or 99W (hwy 91) over Cozine Creek | 1957 | 23,824 | Fair |
| Or 99W (hwy 91) over Chehalem Creek | 1975 | 22,646 | Fair |
| OR 18 (Hwy 39) over Yamhill River | 1957 | 22,538 | Fair |
| Fletcher Road over OR 18 (Hwy 39) | 1957 | 22,538 | Fair |
| OR 18 (Hwy 39) over OR 221 (Hwy 150) | 1957 | 22,538 | Fair |
All bridges nearby: Yamhill County, OR bridge conditions · every bridge in Yamhill County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.