Canyonville-Riddle over Mitchell Creek
FairDouglas County, Oregon · 1.2 MI SE of Riddle · Structure no. 19C163 21 384
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected June 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 24 ft
- 1 main span
- Daily traffic
- 2,792
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Canyonville-Riddle over Mitchell Creek is a prestressed concrete slab carrying Canyonville-Riddle over Mitchell Creek in Douglas County, Oregon. It was built in 1967, so it is 58 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 5 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 2,792 vehicles a day, roughly 10% of them trucks, projected to reach 3,157 by 2025. The structure is 24 ft (7.3 m) long and 40 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Canyonville-Riddle over Mitchell Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is Canyonville-Riddle over Mitchell Creek 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 June 2023.
How much traffic does Canyonville-Riddle over Mitchell Creek carry?
About 2,792 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Canyonville-Riddle over Mitchell Creek?
The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 40 ft wide.
Who owns Canyonville-Riddle over Mitchell Creek?
It is owned by the County Highway Agency.