I-5 Nbcd Ramp over Terrain
GoodKing County, Washington · JCT I-90 · Structure no. 0007686C0000000
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected November 2024
- Type
- Slab
- Concrete Continuous
- Length
- 151 ft
- 4 main spans
- Daily traffic
- 40,483
- 2012 count
- Owner
- State
- State Highway Agency
About this bridge
I-5 Nbcd Ramp over Terrain is a concrete continuous slab carrying I-5 Nbcd Ramp over Terrain 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 40,483 vehicles a day, roughly 10% of them trucks, projected to reach 67,688 by 2036. The structure is 151 ft (46 m) long and 38 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 Ramp over Terrain built?
It was built in 1965, making it 60 years old in 2025.
What condition is I-5 Nbcd Ramp over Terrain 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 November 2024.
How much traffic does I-5 Nbcd Ramp over Terrain carry?
About 40,483 vehicles per day (2012 count), of which roughly 10% are trucks.
How long is I-5 Nbcd Ramp over Terrain?
The structure is 151 ft (46 m) long with a longest span of 42 ft (12.8 m) and a deck 38 ft wide.
Who owns I-5 Nbcd Ramp over Terrain?
It is owned by the State Highway Agency.