Cochran RD over Nehalem River
FairWashington County, Oregon · 016 MI W Timber RD · Structure no. 671393050200160
- Built
- 1980
- 45 years old
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 45 ft
- 1 main span
- Daily traffic
- 194
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Cochran RD over Nehalem River is a prestressed concrete slab carrying Cochran RD over Nehalem River in Washington County, Oregon. It was built in 1980, so it is 45 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 6 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 194 vehicles a day, roughly 10% of them trucks, projected to reach 214 by 2025. The structure is 45 ft (13.7 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cochran RD over Nehalem River built?
It was built in 1980, making it 45 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 194 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Cochran RD over Nehalem River?
The structure is 45 ft (13.7 m) long with a longest span of 44 ft (13.4 m) and a deck 24 ft wide.
Who owns Cochran RD over Nehalem River?
It is owned by the County Highway Agency.