I-5 over NE 179th ST
FairClark County, Washington · 2.0 N JCT I-205 · Structure no. 0006510A0000000
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected November 2023
- Type
- Slab
- Concrete Continuous
- Length
- 124 ft
- 3 main spans
- Daily traffic
- 56,125
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-5 over NE 179th ST is a concrete continuous slab carrying I-5 over NE 179th ST in Clark County, Washington. It was built in 1961, so it is 64 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 56,125 vehicles a day, roughly 15% of them trucks, projected to reach 79,525 by 2039. The structure is 124 ft (37.8 m) long and 58 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-5 over NE 179th ST built?
It was built in 1961, making it 64 years old in 2025.
What condition is I-5 over NE 179th ST in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.
How much traffic does I-5 over NE 179th ST carry?
About 56,125 vehicles per day (2023 count), of which roughly 15% are trucks.
How long is I-5 over NE 179th ST?
The structure is 124 ft (37.8 m) long with a longest span of 49 ft (14.9 m) and a deck 58 ft wide.
Who owns I-5 over NE 179th ST?
It is owned by the State Highway Agency.