228th ST SW over I-5 Ramps
GoodSnohomish County, Washington · 1.0 N JCT SR 104 · Structure no. 0007071D0000000
- Built
- 1963
- 62 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 338 ft
- 5 main spans
- Daily traffic
- 2,919
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
228th ST SW over I-5 Ramps is a prestressed concrete stringer/multi-beam or girder carrying 228th ST SW over I-5 Ramps in Snohomish County, Washington. It was built in 1963, so it is 62 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 2,919 vehicles a day, roughly 5% of them trucks, projected to reach 4,691 by 2040. The structure is 338 ft (103 m) long and 39 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 228th ST SW over I-5 Ramps built?
It was built in 1963, making it 62 years old in 2025.
What condition is 228th ST SW over I-5 Ramps 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 2023.
How much traffic does 228th ST SW over I-5 Ramps carry?
About 2,919 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is 228th ST SW over I-5 Ramps?
The structure is 338 ft (103 m) long with a longest span of 79 ft (24.1 m) and a deck 39 ft wide.
Who owns 228th ST SW over I-5 Ramps?
It is owned by the State Highway Agency.