SE 112th Ave over B-89 over Johnson Creek
GoodMultnomah County, Oregon · SE Portland FAU 9741 · Structure no. 51C03 000 00001
- Built
- 1947
- 78 years old, rebuilt 2008
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 48 ft
- 1 main span
- Daily traffic
- 7,011
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
SE 112th Ave over B-89 over Johnson Creek is a steel stringer/multi-beam or girder carrying SE 112th Ave over B-89 over Johnson Creek in Multnomah County, Oregon. It was built in 1947 and reconstructed in 2008, so it is 78 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 7,011 vehicles a day, roughly 10% of them trucks, projected to reach 7,506 by 2025. The structure is 48 ft (14.6 m) long and 29 ft wide. If it were closed, the detour would be 2.5 mi (4 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| 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 SE 112th Ave over B-89 over Johnson Creek built?
It was built in 1947, making it 78 years old in 2025. It was reconstructed in 2008.
What condition is SE 112th Ave over B-89 over Johnson 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 SE 112th Ave over B-89 over Johnson Creek carry?
About 7,011 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is SE 112th Ave over B-89 over Johnson Creek?
The structure is 48 ft (14.6 m) long with a longest span of 45 ft (13.7 m) and a deck 29 ft wide.
Who owns SE 112th Ave over B-89 over Johnson Creek?
It is owned by the City or Municipal Highway Agency.