Fir Island Road over So Fk Skagit River
FairPosted for loadSkagit County, Washington · 1.0 W JCT Interstate 5 · Structure no. 082364000000000
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 908 ft
- 3 main spans
- Daily traffic
- 4,719
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Fir Island Road over So Fk Skagit River is a steel continuous stringer/multi-beam or girder carrying Fir Island Road over So Fk Skagit River in Skagit County, Washington. It was built in 1972, so it is 53 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. Its operating status is: posted for load restriction.
It carries about 4,719 vehicles a day, roughly 12% of them trucks, projected to reach 8,523 by 2042. The structure is 908 ft (276.8 m) long and 35 ft wide. If it were closed, the detour would be 19.9 mi (32 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Fir Island Road over So Fk Skagit River built?
It was built in 1972, making it 53 years old in 2025.
What condition is Fir Island Road over So Fk Skagit 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 March 2024.
How much traffic does Fir Island Road over So Fk Skagit River carry?
About 4,719 vehicles per day (2022 count), of which roughly 12% are trucks.
How long is Fir Island Road over So Fk Skagit River?
The structure is 908 ft (276.8 m) long with a longest span of 186 ft (56.7 m) and a deck 35 ft wide.
Who owns Fir Island Road over So Fk Skagit River?
It is owned by the County Highway Agency.