SB SR 539 over Wiser Lake
GoodWhatcom County, Washington · 0.9 N JCT SR 544 · Structure no. 0003224A0000000
- Built
- 1947
- 78 years old
- Condition
- Good
- inspected May 2024
- Type
- Slab
- Concrete Continuous
- Length
- 60 ft
- 3 main spans
- Daily traffic
- 8,009
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SB SR 539 over Wiser Lake is a concrete continuous slab carrying SB SR 539 over Wiser Lake in Whatcom County, Washington. It was built in 1947, so it is 78 years old, older 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 8,009 vehicles a day, roughly 6% of them trucks, projected to reach 12,287 by 2039. The structure is 60 ft (18.3 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SB SR 539 over Wiser Lake built?
It was built in 1947, making it 78 years old in 2025.
What condition is SB SR 539 over Wiser Lake 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 2024.
How much traffic does SB SR 539 over Wiser Lake carry?
About 8,009 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is SB SR 539 over Wiser Lake?
The structure is 60 ft (18.3 m) long with a longest span of 22 ft (6.7 m) and a deck 39 ft wide.
Who owns SB SR 539 over Wiser Lake?
It is owned by the State Highway Agency.