US 26 (hwy 026) over Zig Zag River
FairClackamas County, Oregon · 0.3 MI W Rhododendron Po · Structure no. 19281 026 04381
- Built
- 2005
- 20 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 257 ft
- 1 main span
- Daily traffic
- 10,170
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 26 (hwy 026) over Zig Zag River is a steel stringer/multi-beam or girder carrying US 26 (hwy 026) over Zig Zag River in Clackamas County, Oregon. It was built in 2005, so it is 20 years old, younger 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 10,170 vehicles a day, roughly 17% of them trucks, projected to reach 12,500 by 2042. The structure is 257 ft (78.2 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 26 (hwy 026) over Zig Zag River built?
It was built in 2005, making it 20 years old in 2025.
What condition is US 26 (hwy 026) over Zig Zag River 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 US 26 (hwy 026) over Zig Zag River carry?
About 10,170 vehicles per day (2022 count), of which roughly 17% are trucks.
How long is US 26 (hwy 026) over Zig Zag River?
The structure is 257 ft (78.2 m) long with a longest span of 250 ft (76.2 m) and a deck 80 ft wide.
Who owns US 26 (hwy 026) over Zig Zag River?
It is owned by the State Highway Agency.