Cochran RD over Nehalem River
FairPosted for loadWashington County, Oregon · 029 MI W Timber Road JCT · Structure no. 671394050200290
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 77 ft
- 1 main span
- Daily traffic
- 138
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Cochran RD over Nehalem River is a steel stringer/multi-beam or girder carrying Cochran RD over Nehalem River in Washington County, Oregon. It was built in 1979, so it is 46 years old, younger 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. Its operating status is: posted for load restriction.
It carries about 138 vehicles a day, roughly 10% of them trucks, projected to reach 152 by 2025. The structure is 77 ft (23.5 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Cochran RD over Nehalem River built?
It was built in 1979, making it 46 years old in 2025.
What condition is Cochran RD 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 July 2024.
How much traffic does Cochran RD over Nehalem River carry?
About 138 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Cochran RD over Nehalem River?
The structure is 77 ft (23.5 m) long with a longest span of 39 ft (11.9 m) and a deck 24 ft wide.
Who owns Cochran RD over Nehalem River?
It is owned by the County Highway Agency.