HWY 161 over Clear Creek
FairClackamas County, Oregon · 6.10 MI SW of Estacada · Structure no. 01607A161 02733
- Built
- 1931
- 94 years old, rebuilt 1973
- Condition
- Fair
- inspected June 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 150 ft
- 3 main spans
- Daily traffic
- 3,317
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
HWY 161 over Clear Creek is a concrete continuous tee beam carrying HWY 161 over Clear Creek in Clackamas County, Oregon. It was built in 1931 and reconstructed in 1973, so it is 94 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 3,317 vehicles a day, roughly 19% of them trucks, projected to reach 4,200 by 2042. The structure is 150 ft (45.7 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 HWY 161 over Clear Creek built?
It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1973.
What condition is HWY 161 over Clear 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 HWY 161 over Clear Creek carry?
About 3,317 vehicles per day (2022 count), of which roughly 19% are trucks.
How long is HWY 161 over Clear Creek?
The structure is 150 ft (45.7 m) long with a longest span of 50 ft (15.2 m) and a deck 36 ft wide.
Who owns HWY 161 over Clear Creek?
It is owned by the State Highway Agency.