Wilson River Loop over Dougherty Slough
FairTillamook County, Oregon · 02.0 MI NE Tillamook · Structure no. 11340A694 00075
- Built
- 1952
- 73 years old
- Condition
- Fair
- inspected August 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 157 ft
- 3 main spans
- Daily traffic
- 3,183
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Wilson River Loop over Dougherty Slough is a concrete continuous tee beam carrying Wilson River Loop over Dougherty Slough in Tillamook County, Oregon. It was built in 1952, so it is 73 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 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 3,183 vehicles a day, roughly 15% of them trucks, projected to reach 3,768 by 2025. The structure is 157 ft (47.9 m) long and 31 ft wide. If it were closed, the detour would be 4.3 mi (7 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| 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 Wilson River Loop over Dougherty Slough built?
It was built in 1952, making it 73 years old in 2025.
What condition is Wilson River Loop over Dougherty Slough 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 August 2024.
How much traffic does Wilson River Loop over Dougherty Slough carry?
About 3,183 vehicles per day (2020 count), of which roughly 15% are trucks.
How long is Wilson River Loop over Dougherty Slough?
The structure is 157 ft (47.9 m) long with a longest span of 58 ft (17.7 m) and a deck 31 ft wide.
Who owns Wilson River Loop over Dougherty Slough?
It is owned by the County Highway Agency.