Riddell Road over North Fork Ash Creek
FairPolk County, Oregon · 015 N of Monmouth · Structure no. 53C107859900222
- Built
- 1922
- 103 years old
- Condition
- Fair
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 37 ft
- 2 main spans
- Daily traffic
- 3,329
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Riddell Road over North Fork Ash Creek is a concrete continuous slab carrying Riddell Road over North Fork Ash Creek in Polk County, Oregon. It was built in 1922, so it is 103 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 3,329 vehicles a day, roughly 10% of them trucks, projected to reach 3,605 by 2040. The structure is 37 ft (11.3 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Riddell Road over North Fork Ash Creek built?
It was built in 1922, making it 103 years old in 2025.
What condition is Riddell Road over North Fork Ash 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 August 2024.
How much traffic does Riddell Road over North Fork Ash Creek carry?
About 3,329 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Riddell Road over North Fork Ash Creek?
The structure is 37 ft (11.3 m) long with a longest span of 18 ft (5.5 m) and a deck 33 ft wide.
Who owns Riddell Road over North Fork Ash Creek?
It is owned by the County Highway Agency.