Prairie RD over Samish River
FairSkagit County, Washington · 0.5 W JCT SR 9 · Structure no. 083422000000000
- Built
- 1956
- 69 years old, rebuilt 2012
- Condition
- Fair
- inspected September 2023
- Type
- Tee Beam
- Concrete
- Length
- 76 ft
- 3 main spans
- Daily traffic
- 894
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Prairie RD over Samish River is a concrete tee beam carrying Prairie RD over Samish River in Skagit County, Washington. It was built in 1956 and reconstructed in 2012, so it is 69 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.
It carries about 894 vehicles a day, roughly 10% of them trucks, projected to reach 1,328 by 2041. The structure is 76 ft (23.2 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Prairie RD over Samish River built?
It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2012.
What condition is Prairie RD over Samish 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 September 2023.
How much traffic does Prairie RD over Samish River carry?
About 894 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is Prairie RD over Samish River?
The structure is 76 ft (23.2 m) long with a longest span of 25 ft (7.6 m) and a deck 27 ft wide.
Who owns Prairie RD over Samish River?
It is owned by the County Highway Agency.