NE 21st Ave over Elrod Slough
GoodMultnomah County, Oregon · 21st-N of NE Riverside W. · Structure no. 22024 000 00000
- Built
- 2014
- 11 years old
- Condition
- Good
- inspected July 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 76 ft
- 1 main span
- Daily traffic
- 1,416
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
NE 21st Ave over Elrod Slough is a prestressed concrete slab carrying NE 21st Ave over Elrod Slough in Multnomah County, Oregon. It was built in 2014, so it is 11 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 1,416 vehicles a day, roughly 10% of them trucks, projected to reach 1,562 by 2025. The structure is 76 ft (23.1 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 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 NE 21st Ave over Elrod Slough built?
It was built in 2014, making it 11 years old in 2025.
What condition is NE 21st Ave over Elrod 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 21st Ave over Elrod Slough carry?
About 1,416 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is NE 21st Ave over Elrod Slough?
The structure is 76 ft (23.1 m) long with a longest span of 74 ft (22.5 m) and a deck 43 ft wide.
Who owns NE 21st Ave over Elrod Slough?
It is owned by the City or Municipal Highway Agency.