SR 9 over S Fk Nooksack River
GoodWhatcom County, Washington · 5.5 N Skagit CO · Structure no. 0013111A0000000
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 380 ft
- 3 main spans
- Daily traffic
- 2,617
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 9 over S Fk Nooksack River is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 9 over S Fk Nooksack River in Whatcom County, Washington. It was built in 1987, so it is 38 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 2,617 vehicles a day, roughly 26% of them trucks, projected to reach 3,062 by 2039. The structure is 380 ft (115.8 m) long and 35 ft wide. If it were closed, the detour would be 42.9 mi (69 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. |
| 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 SR 9 over S Fk Nooksack River built?
It was built in 1987, making it 38 years old in 2025.
What condition is SR 9 over S Fk Nooksack River 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 May 2023.
How much traffic does SR 9 over S Fk Nooksack River carry?
About 2,617 vehicles per day (2023 count), of which roughly 26% are trucks.
How long is SR 9 over S Fk Nooksack River?
The structure is 380 ft (115.8 m) long with a longest span of 138 ft (42.1 m) and a deck 35 ft wide.
Who owns SR 9 over S Fk Nooksack River?
It is owned by the State Highway Agency.