NE 20th Ave over I-205
GoodClark County, Washington · 6.0 N JCT SR 500 · Structure no. 0009241J0000000
- Built
- 1974
- 51 years old, rebuilt 2005
- Condition
- Good
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 391 ft
- 4 main spans
- Daily traffic
- 16,383
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
NE 20th Ave over I-205 is a concrete continuous box beam or girders - multiple carrying NE 20th Ave over I-205 in Clark County, Washington. It was built in 1974 and reconstructed in 2005, so it is 51 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 16,383 vehicles a day, roughly 10% of them trucks, projected to reach 23,867 by 2036. The structure is 391 ft (119.2 m) long and 98 ft wide.
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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NE 20th Ave over I-205 built?
It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2005.
What condition is NE 20th Ave over I-205 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 October 2023.
How much traffic does NE 20th Ave over I-205 carry?
About 16,383 vehicles per day (2017 count), of which roughly 10% are trucks.
How long is NE 20th Ave over I-205?
The structure is 391 ft (119.2 m) long with a longest span of 135 ft (41.1 m) and a deck 98 ft wide.
Who owns NE 20th Ave over I-205?
It is owned by the State Highway Agency.