NE 47th Ave over B-161 X Whitaker Slough
GoodMultnomah County, Oregon · N of Columbia Blvd · Structure no. 18997 000 00000
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected July 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 4,048
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
NE 47th Ave over B-161 X Whitaker Slough is a prestressed concrete slab carrying NE 47th Ave over B-161 X Whitaker Slough in Multnomah County, Oregon. It was built in 2001, so it is 24 years old, younger 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 4,048 vehicles a day, roughly 5% of them trucks, projected to reach 4,465 by 2025. The structure is 52 ft (15.7 m) long and 63 ft wide. If it were closed, the detour would be 1.9 mi (3 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 NE 47th Ave over B-161 X Whitaker Slough built?
It was built in 2001, making it 24 years old in 2025.
What condition is NE 47th Ave over B-161 X Whitaker Slough 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 NE 47th Ave over B-161 X Whitaker Slough carry?
About 4,048 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is NE 47th Ave over B-161 X Whitaker Slough?
The structure is 52 ft (15.7 m) long with a longest span of 52 ft (15.7 m) and a deck 63 ft wide.
Who owns NE 47th Ave over B-161 X Whitaker Slough?
It is owned by the City or Municipal Highway Agency.