Olney Cutoff over N Fk Klaskanine River
Clatsop County, Oregon · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Olney Cutoff over N Fk Klaskanine River in Clatsop County, Oregon, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 1977, making it 48 years old at the 2025 inventory.
- It carries about 338 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 50 of the 155 inventoried bridges in Clatsop County rated good (32.3%); 8 (5.2%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Status change: newly posted for load since 2024.
- Its most recent inspection on record is dated March 2023, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (46.09356, -123.7395)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 78 ft |
| Location | 010 Mi SE of Olney |
| NBI structure number | 11172A060400001 |
| Condition class | Good |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | March 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.
Busiest bridges in Clatsop County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US101 (hwy 9) over Columbia River | 1966 | 22,526 | Fair |
| US101 (hwy 9) over Columbia River | 1966 | 22,526 | Fair |
| US101 (hwy 9) over Columbia River & Hwy 92 | 1966 | 22,526 | Fair |
| US101 (Hwy 9) over Youngs Bay | 1964 | 20,338 | Fair |
| US101 (Hwy 9) over Shangri La Creek | 1960 | 16,793 | Fair |
| US101 (Hwy 9) over Neawanna Creek | 1930 | 16,489 | Fair |
All bridges nearby: Clatsop County, OR bridge conditions · every bridge in Clatsop County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.