I-5 over N-103rd Exp Ramp
FairKing County, Washington · 1.5 N JCT SR 522 · Structure no. 0007156F0000000
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 141 ft
- 1 main span
- Daily traffic
- 84,693
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-5 over N-103rd Exp Ramp is a prestressed concrete stringer/multi-beam or girder carrying I-5 over N-103rd Exp Ramp in King County, Washington. It was built in 1964, so it is 61 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 84,693 vehicles a day, roughly 5% of them trucks, projected to reach 126,407 by 2039. The structure is 141 ft (43 m) long and 70 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-5 over N-103rd Exp Ramp built?
It was built in 1964, making it 61 years old in 2025.
What condition is I-5 over N-103rd Exp Ramp in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.
How much traffic does I-5 over N-103rd Exp Ramp carry?
About 84,693 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is I-5 over N-103rd Exp Ramp?
The structure is 141 ft (43 m) long with a longest span of 122 ft (37.2 m) and a deck 70 ft wide.
Who owns I-5 over N-103rd Exp Ramp?
It is owned by the State Highway Agency.