Whitton Av. over S.F.Stillaguamish River
FairSnohomish County, Washington · 21.6 E JCT SR 92 · Structure no. 082434000000000
- Built
- 1989
- 36 years old, rebuilt 2002
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 274 ft
- 2 main spans
- Daily traffic
- 18
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Whitton Av. over S.F.Stillaguamish River is a steel continuous stringer/multi-beam or girder carrying Whitton Av. over S.F.Stillaguamish River in Snohomish County, Washington. It was built in 1989 and reconstructed in 2002, so it is 36 years old, younger 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 5 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 18 vehicles a day, roughly 22% of them trucks, projected to reach 50 by 2044. The structure is 274 ft (83.5 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Whitton Av. over S.F.Stillaguamish River built?
It was built in 1989, making it 36 years old in 2025. It was reconstructed in 2002.
What condition is Whitton Av. over S.F.Stillaguamish River 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 May 2024.
How much traffic does Whitton Av. over S.F.Stillaguamish River carry?
About 18 vehicles per day (2021 count), of which roughly 22% are trucks.
How long is Whitton Av. over S.F.Stillaguamish River?
The structure is 274 ft (83.5 m) long with a longest span of 88 ft (26.7 m) and a deck 16 ft wide.
Who owns Whitton Av. over S.F.Stillaguamish River?
It is owned by the County Highway Agency.