Dearborn-N Ramp over I-5 Nbcd
GoodKing County, Washington · 0.1 N JCT I-90 · Structure no. 0007565M0000000
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 749 ft
- 8 main spans
- Daily traffic
- 6,516
- 2012 count
- Owner
- State
- State Highway Agency
About this bridge
Dearborn-N Ramp over I-5 Nbcd is a concrete continuous box beam or girders - multiple carrying Dearborn-N Ramp over I-5 Nbcd 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 6,516 vehicles a day, roughly 5% of them trucks, projected to reach 10,895 by 2036. The structure is 749 ft (228.3 m) long and 26 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 Dearborn-N Ramp over I-5 Nbcd built?
It was built in 1965, making it 60 years old in 2025.
What condition is Dearborn-N Ramp over I-5 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 August 2024.
How much traffic does Dearborn-N Ramp over I-5 Nbcd carry?
About 6,516 vehicles per day (2012 count), of which roughly 5% are trucks.
How long is Dearborn-N Ramp over I-5 Nbcd?
The structure is 749 ft (228.3 m) long with a longest span of 132 ft (40.2 m) and a deck 26 ft wide.
Who owns Dearborn-N Ramp over I-5 Nbcd?
It is owned by the State Highway Agency.