I-5 P1 15559 Ramp over I-5 Hov Lane
FairKing County, Washington · 1.5 N JCT I-405 · Structure no. 0007618B0000000
- Built
- 1966
- 59 years old, rebuilt 1996
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 532 ft
- 6 main spans
- Daily traffic
- 37,896
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-5 P1 15559 Ramp over I-5 Hov Lane is a concrete continuous box beam or girders - multiple carrying I-5 P1 15559 Ramp over I-5 Hov Lane in King County, Washington. It was built in 1966 and reconstructed in 1996, so it is 59 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 37,896 vehicles a day, roughly 10% of them trucks, projected to reach 58,767 by 2039. The structure is 532 ft (162.3 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 I-5 P1 15559 Ramp over I-5 Hov Lane built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1996.
What condition is I-5 P1 15559 Ramp over I-5 Hov Lane 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 September 2024.
How much traffic does I-5 P1 15559 Ramp over I-5 Hov Lane carry?
About 37,896 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is I-5 P1 15559 Ramp over I-5 Hov Lane?
The structure is 532 ft (162.3 m) long with a longest span of 123 ft (37.6 m) and a deck 34 ft wide.
Who owns I-5 P1 15559 Ramp over I-5 Hov Lane?
It is owned by the State Highway Agency.