Johnson RD over HWY 064
FairClackamas County, Oregon · 4.8 MI S of Willamette R · Structure no. 09736 064 00430
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected March 2024
- Type
- Box Beam or Girders - Single or Spread
- Steel Continuous
- Length
- 446 ft
- 2 main spans
- Daily traffic
- 72,458
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Johnson RD over HWY 064 is a steel continuous box beam or girders - single or spread carrying Johnson RD over HWY 064 in Clackamas County, Oregon. It was built in 1970, so it is 55 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 72,458 vehicles a day, roughly 10% of them trucks, projected to reach 97,700 by 2040. The structure is 446 ft (135.9 m) long and 47 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Johnson RD over HWY 064 built?
It was built in 1970, making it 55 years old in 2025.
What condition is Johnson RD over HWY 064 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 March 2024.
How much traffic does Johnson RD over HWY 064 carry?
About 72,458 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Johnson RD over HWY 064?
The structure is 446 ft (135.9 m) long with a longest span of 192 ft (58.5 m) and a deck 47 ft wide.
Who owns Johnson RD over HWY 064?
It is owned by the State Highway Agency.