I-5 Nbcd over King Jackson ST
GoodKing County, Washington · 0.3 N JCT I-90 · Structure no. 0007504C0000000
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 709 ft
- 9 main spans
- Daily traffic
- 55,400
- 2012 count
- Owner
- State
- State Highway Agency
About this bridge
I-5 Nbcd over King Jackson ST is a concrete continuous box beam or girders - multiple carrying I-5 Nbcd over King Jackson ST in King County, Washington. It was built in 1965, so it is 60 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 55,400 vehicles a day, roughly 10% of them trucks, projected to reach 92,629 by 2036. The structure is 709 ft (216.1 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 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 Nbcd over King Jackson ST built?
It was built in 1965, making it 60 years old in 2025.
What condition is I-5 Nbcd over King Jackson ST 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 August 2024.
How much traffic does I-5 Nbcd over King Jackson ST carry?
About 55,400 vehicles per day (2012 count), of which roughly 10% are trucks.
How long is I-5 Nbcd over King Jackson ST?
The structure is 709 ft (216.1 m) long with a longest span of 100 ft (30.5 m) and a deck 52 ft wide.
Who owns I-5 Nbcd over King Jackson ST?
It is owned by the State Highway Agency.