I-5 Hov Lanes over I-405 NB Ramps
GoodKing County, Washington · 5.2 N JCT SR 516 · Structure no. 0014621B0000000
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 894 ft
- 8 main spans
- Daily traffic
- 6,898
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-5 Hov Lanes over I-405 NB Ramps is a prestressed concrete continuous stringer/multi-beam or girder carrying I-5 Hov Lanes over I-405 NB Ramps in King County, Washington. It was built in 1996, so it is 29 years old, younger 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 6,898 vehicles a day, roughly 12% of them trucks, projected to reach 10,300 by 2039. The structure is 894 ft (272.5 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 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 I-5 Hov Lanes over I-405 NB Ramps built?
It was built in 1996, making it 29 years old in 2025.
What condition is I-5 Hov Lanes over I-405 NB Ramps 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 2023.
How much traffic does I-5 Hov Lanes over I-405 NB Ramps carry?
About 6,898 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is I-5 Hov Lanes over I-405 NB Ramps?
The structure is 894 ft (272.5 m) long with a longest span of 128 ft (39 m) and a deck 57 ft wide.
Who owns I-5 Hov Lanes over I-405 NB Ramps?
It is owned by the State Highway Agency.