I-5 Ramp over Northgate Way
GoodKing County, Washington · 2.0 N JCT SR 522 · Structure no. 0014539A0000000
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected June 2021
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 164 ft
- 3 main spans
- Daily traffic
- 8,939
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I-5 Ramp over Northgate Way is a prestressed concrete stringer/multi-beam or girder carrying I-5 Ramp over Northgate Way in King County, Washington. It was built in 1995, so it is 30 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 8,939 vehicles a day, roughly 5% of them trucks, projected to reach 13,250 by 2039. The structure is 164 ft (50 m) long and 44 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 Ramp over Northgate Way built?
It was built in 1995, making it 30 years old in 2025.
What condition is I-5 Ramp over Northgate Way 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 June 2021.
How much traffic does I-5 Ramp over Northgate Way carry?
About 8,939 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is I-5 Ramp over Northgate Way?
The structure is 164 ft (50 m) long with a longest span of 80 ft (24.4 m) and a deck 44 ft wide.
Who owns I-5 Ramp over Northgate Way?
It is owned by the State Highway Agency.