Or 99E(HWY 81) over Abernethy Creek
FairClackamas County, Oregon · 0.8 MI N Oregon City · Structure no. 09865 01E 01179
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected November 2024
- Type
- Culvert
- Steel
- Length
- 22 ft
- 1 main span
- Daily traffic
- 33,139
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Or 99E(HWY 81) over Abernethy Creek is a steel culvert carrying Or 99E(HWY 81) 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 33,139 vehicles a day, roughly 1% of them trucks, projected to reach 41,100 by 2042. The structure is 22 ft (6.7 m) long. 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Or 99E(HWY 81) over Abernethy Creek built?
It was built in 1971, making it 54 years old in 2025.
What condition is Or 99E(HWY 81) 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 November 2024.
How much traffic does Or 99E(HWY 81) over Abernethy Creek carry?
About 33,139 vehicles per day (2022 count), of which roughly 1% are trucks.
How long is Or 99E(HWY 81) over Abernethy Creek?
The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m).
Who owns Or 99E(HWY 81) over Abernethy Creek?
It is owned by the State Highway Agency.