SR 539 over Nooksack River
GoodWhatcom County, Washington · 2.0 N JCT SR 544 · Structure no. 0017469C0000000
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected October 2024
- Type
- Truss - Thru
- Steel
- Length
- 590 ft
- 1 main span
- Daily traffic
- 7,931
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 539 over Nooksack River is a steel truss - thru carrying SR 539 over Nooksack River in Whatcom County, Washington. It was built in 2009, so it is 16 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 7,931 vehicles a day, roughly 6% of them trucks, projected to reach 12,168 by 2039. The structure is 590 ft (179.8 m) long and 43 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 539 over Nooksack River built?
It was built in 2009, making it 16 years old in 2025.
What condition is SR 539 over 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 October 2024.
How much traffic does SR 539 over Nooksack River carry?
About 7,931 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is SR 539 over Nooksack River?
The structure is 590 ft (179.8 m) long with a longest span of 353 ft (107.6 m) and a deck 43 ft wide.
Who owns SR 539 over Nooksack River?
It is owned by the State Highway Agency.