HWY 29 over Johnson Creek
FairWashington County, Oregon · 055 MI E Hillsboro Cc · Structure no. 0P461 029 00497
- Built
- 1983
- 42 years old
- Condition
- Fair
- inspected March 2023
- Type
- Culvert
- Steel
- Length
- 29 ft
- 2 main spans
- Daily traffic
- 32,168
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
HWY 29 over Johnson Creek is a steel culvert carrying HWY 29 over Johnson Creek in Washington County, Oregon. It was built in 1983, so it is 42 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 32,168 vehicles a day, roughly 2% of them trucks, projected to reach 42,700 by 2042. The structure is 29 ft (8.9 m) long.
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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was HWY 29 over Johnson Creek built?
It was built in 1983, making it 42 years old in 2025.
What condition is HWY 29 over Johnson 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 March 2023.
How much traffic does HWY 29 over Johnson Creek carry?
About 32,168 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is HWY 29 over Johnson Creek?
The structure is 29 ft (8.9 m) long with a longest span of 12 ft (3.6 m).
Who owns HWY 29 over Johnson Creek?
It is owned by the State Highway Agency.