NE 78th ST over I-205
GoodClark County, Washington · 1.7 N JCT SR 500 · Structure no. 0009241C0000000
- Built
- 1973
- 52 years old
- Condition
- Good
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 429 ft
- 5 main spans
- Daily traffic
- 7,616
- 2002 count
- Owner
- State
- State Highway Agency
About this bridge
NE 78th ST over I-205 is a concrete continuous box beam or girders - multiple carrying NE 78th ST over I-205 in Clark County, Washington. It was built in 1973, so it is 52 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 7,616 vehicles a day, roughly 5% of them trucks, projected to reach 14,607 by 2036. The structure is 429 ft (130.8 m) long and 47 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 78th ST over I-205 built?
It was built in 1973, making it 52 years old in 2025.
What condition is NE 78th ST 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 78th ST over I-205 carry?
About 7,616 vehicles per day (2002 count), of which roughly 5% are trucks.
How long is NE 78th ST over I-205?
The structure is 429 ft (130.8 m) long with a longest span of 115 ft (35.1 m) and a deck 47 ft wide.
Who owns NE 78th ST over I-205?
It is owned by the State Highway Agency.