I-5 Ramp over Nbcd
GoodSnohomish County, Washington · 3.0 N JCT SR 523 · Structure no. 0014326A0000000
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected January 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 383 ft
- 3 main spans
- Daily traffic
- 3,974
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-5 Ramp over Nbcd is a prestressed concrete continuous box beam or girders - multiple carrying I-5 Ramp over Nbcd in Snohomish 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 3,974 vehicles a day, roughly 5% of them trucks, projected to reach 6,083 by 2039. The structure is 383 ft (116.7 m) long and 32 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 Nbcd built?
It was built in 1995, making it 30 years old in 2025.
What condition is I-5 Ramp over Nbcd 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 January 2024.
How much traffic does I-5 Ramp over Nbcd carry?
About 3,974 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is I-5 Ramp over Nbcd?
The structure is 383 ft (116.7 m) long with a longest span of 166 ft (50.6 m) and a deck 32 ft wide.
Who owns I-5 Ramp over Nbcd?
It is owned by the State Highway Agency.