Or 47 (hwy 102) over Nehalem River
FairColumbia County, Oregon · 3.0 MI N Vernonia · Structure no. 03146A102 05958
- Built
- 1958
- 67 years old
- Condition
- Fair
- inspected October 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 182 ft
- 3 main spans
- Daily traffic
- 1,469
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Or 47 (hwy 102) over Nehalem River is a concrete continuous tee beam carrying Or 47 (hwy 102) over Nehalem River in Columbia County, Oregon. It was built in 1958, so it is 67 years old, older than the Oregon average of 49.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,469 vehicles a day, roughly 29% of them trucks, projected to reach 1,600 by 2042. The structure is 182 ft (55.5 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Or 47 (hwy 102) over Nehalem River built?
It was built in 1958, making it 67 years old in 2025.
What condition is Or 47 (hwy 102) over Nehalem River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.
How much traffic does Or 47 (hwy 102) over Nehalem River carry?
About 1,469 vehicles per day (2022 count), of which roughly 29% are trucks.
How long is Or 47 (hwy 102) over Nehalem River?
The structure is 182 ft (55.5 m) long with a longest span of 70 ft (21.3 m) and a deck 31 ft wide.
Who owns Or 47 (hwy 102) over Nehalem River?
It is owned by the State Highway Agency.