SR 9 over SR 522
GoodSnohomish County, Washington · JCT SR 522 · Structure no. 0014810A0000000
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 367 ft
- 4 main spans
- Daily traffic
- 28,001
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 9 over SR 522 is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 9 over SR 522 in Snohomish County, Washington. It was built in 1997, so it is 28 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 28,001 vehicles a day, roughly 8% of them trucks, projected to reach 42,110 by 2039. The structure is 367 ft (111.9 m) long and 80 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 SR 9 over SR 522 built?
It was built in 1997, making it 28 years old in 2025.
What condition is SR 9 over SR 522 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 March 2024.
How much traffic does SR 9 over SR 522 carry?
About 28,001 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is SR 9 over SR 522?
The structure is 367 ft (111.9 m) long with a longest span of 111 ft (33.8 m) and a deck 80 ft wide.
Who owns SR 9 over SR 522?
It is owned by the State Highway Agency.