Road over Blister Creek
GoodClackamas County, Oregon · S-14 T-7S R-5E Wm · Structure no. 060605000001553
- Built
- 1967
- 58 years old
- Condition
- Good
- inspected July 2024
- Type
- Frame
- Concrete Continuous
- Length
- 115 ft
- 3 main spans
- Daily traffic
- 200
- Owner
- Federal
- U.S. Forest Service
About this bridge
Road over Blister Creek is a concrete continuous frame carrying Road over Blister Creek in Clackamas County, Oregon. It was built in 1967, so it is 58 years old, older than the Oregon average of 49.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 200 vehicles a day, roughly 5% of them trucks, projected to reach 300 by 2045. The structure is 115 ft (35.1 m) long and 33 ft wide. If it were closed, the detour would be 620.7 mi (999 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Road over Blister Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is Road over Blister Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.
How much traffic does Road over Blister Creek carry?
About 200 vehicles per day (latest count), of which roughly 5% are trucks.
How long is Road over Blister Creek?
The structure is 115 ft (35.1 m) long with a longest span of 78 ft (23.8 m) and a deck 33 ft wide.
Who owns Road over Blister Creek?
It is owned by the U.S. Forest Service.