Collins Road over Beaver Slough
GoodColumbia County, Oregon · 008 MI N City of Clatskan · Structure no. 13818A401200001
- Built
- 1979
- 46 years old
- Condition
- Good
- inspected May 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 241 ft
- 6 main spans
- Daily traffic
- 237
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Collins Road over Beaver Slough is a prestressed concrete slab carrying Collins Road over Beaver 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 237 vehicles a day, roughly 10% of them trucks, projected to reach 267 by 2025. The structure is 241 ft (73.5 m) long and 28 ft wide. If it were closed, the detour would be 2.5 mi (4 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Collins Road over Beaver Slough built?
It was built in 1979, making it 46 years old in 2025.
What condition is Collins Road over Beaver Slough in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.
How much traffic does Collins Road over Beaver Slough carry?
About 237 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Collins Road over Beaver Slough?
The structure is 241 ft (73.5 m) long with a longest span of 41 ft (12.5 m) and a deck 28 ft wide.
Who owns Collins Road over Beaver Slough?
It is owned by the County Highway Agency.