SR 9 over RR & City Streets
GoodSnohomish County, Washington · 2.8 N JCT SR 531 · Structure no. 0006412A0000000
- Built
- 1961
- 64 years old, rebuilt 1991
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 344 ft
- 5 main spans
- Daily traffic
- 12,531
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 9 over RR & City Streets is a prestressed concrete stringer/multi-beam or girder carrying SR 9 over RR & City Streets in Snohomish County, Washington. It was built in 1961 and reconstructed in 1991, so it is 64 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 12,531 vehicles a day, roughly 6% of them trucks, projected to reach 18,134 by 2039. The structure is 344 ft (104.9 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| 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 RR & City Streets built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1991.
What condition is SR 9 over RR & City Streets 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 October 2024.
How much traffic does SR 9 over RR & City Streets carry?
About 12,531 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is SR 9 over RR & City Streets?
The structure is 344 ft (104.9 m) long with a longest span of 87 ft (26.5 m) and a deck 36 ft wide.
Who owns SR 9 over RR & City Streets?
It is owned by the State Highway Agency.