Road over Clackamas River
PoorClackamas County, Oregon · S-26 T-6S R-7E Wm · Structure no. 060603000001568
- Built
- 1974
- 51 years old
- Condition
- Poor
- inspected October 2023
- Type
- Box Beam or Girders - Single or Spread
- Concrete Continuous
- Length
- 160 ft
- 3 main spans
- Daily traffic
- 50
- Owner
- Federal
- U.S. Forest Service
About this bridge
Road over Clackamas River is a concrete continuous box beam or girders - single or spread carrying Road over Clackamas River in Clackamas County, Oregon. It was built in 1974, so it is 51 years old, older than the Oregon average of 49.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 160 ft (48.8 m) long and 20 ft wide. If it were closed, the detour would be 620.7 mi (999 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Road over Clackamas River built?
It was built in 1974, making it 51 years old in 2025.
What condition is Road over Clackamas River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.
How much traffic does Road over Clackamas River carry?
About 50 vehicles per day (latest count).
How long is Road over Clackamas River?
The structure is 160 ft (48.8 m) long with a longest span of 106 ft (32.3 m) and a deck 20 ft wide.
Who owns Road over Clackamas River?
It is owned by the U.S. Forest Service.