SW Bonita Road over Fanno Creek
FairWashington County, Oregon · 005 MI West Interstate 5 · Structure no. 67T004125400050
- Built
- 1971
- 54 years old, rebuilt 1996
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 96 ft
- 3 main spans
- Daily traffic
- 12,041
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
SW Bonita Road over Fanno Creek is a prestressed concrete slab carrying SW Bonita Road over Fanno Creek in Washington County, Oregon. It was built in 1971 and reconstructed in 1996, so it is 54 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 12,041 vehicles a day, roughly 5% of them trucks, projected to reach 13,280 by 2025. The structure is 96 ft (29.3 m) long and 60 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SW Bonita Road over Fanno Creek built?
It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1996.
What condition is SW Bonita Road over Fanno 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 July 2024.
How much traffic does SW Bonita Road over Fanno Creek carry?
About 12,041 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is SW Bonita Road over Fanno Creek?
The structure is 96 ft (29.3 m) long with a longest span of 32 ft (9.8 m) and a deck 60 ft wide.
Who owns SW Bonita Road over Fanno Creek?
It is owned by the City or Municipal Highway Agency.