Ferguson RD over Abernethy Creek
FairClackamas County, Oregon · 1.3 MI S of Redland RD · Structure no. 06219 000
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected May 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 257
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Ferguson RD over Abernethy Creek is a prestressed concrete slab carrying Ferguson RD over Abernethy Creek in Clackamas County, Oregon. It was built in 1971, so it is 54 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 257 vehicles a day, roughly 15% of them trucks, projected to reach 262 by 2025. The structure is 50 ft (15.2 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 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 Ferguson RD over Abernethy Creek built?
It was built in 1971, making it 54 years old in 2025.
What condition is Ferguson RD over Abernethy 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 May 2023.
How much traffic does Ferguson RD over Abernethy Creek carry?
About 257 vehicles per day (2020 count), of which roughly 15% are trucks.
How long is Ferguson RD over Abernethy Creek?
The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 32 ft wide.
Who owns Ferguson RD over Abernethy Creek?
It is owned by the County Highway Agency.