Clatskanie Dist RD over Clatskanie Slough
PoorColumbia County, Oregon · 007 MI N City of Clatskan · Structure no. 01339A401900025
- Built
- 1979
- 46 years old
- Condition
- Poor
- inspected May 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 170 ft
- 3 main spans
- Daily traffic
- 382
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Clatskanie Dist RD over Clatskanie Slough is a prestressed concrete slab carrying Clatskanie Dist RD over Clatskanie Slough in Columbia 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 382 vehicles a day, roughly 10% of them trucks, projected to reach 427 by 2025. The structure is 170 ft (51.8 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, 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 Clatskanie Dist RD over Clatskanie Slough built?
It was built in 1979, making it 46 years old in 2025.
What condition is Clatskanie Dist RD over Clatskanie Slough in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.
How much traffic does Clatskanie Dist RD over Clatskanie Slough carry?
About 382 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Clatskanie Dist RD over Clatskanie Slough?
The structure is 170 ft (51.8 m) long with a longest span of 56 ft (17.1 m) and a deck 28 ft wide.
Who owns Clatskanie Dist RD over Clatskanie Slough?
It is owned by the County Highway Agency.