SR 547 over Sumas River
GoodWhatcom County, Washington · 10.2 N JCT SR 542 · Structure no. 000000QW0000000
- Built
- 1952
- 73 years old
- Condition
- Good
- inspected July 2023
- Type
- Slab
- Concrete Continuous
- Length
- 126 ft
- 6 main spans
- Daily traffic
- 1,915
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 547 over Sumas River is a concrete continuous slab carrying SR 547 over Sumas River in Whatcom County, Washington. It was built in 1952, so it is 73 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 1,915 vehicles a day, roughly 7% of them trucks, projected to reach 2,818 by 2039. The structure is 126 ft (38.4 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 547 over Sumas River built?
It was built in 1952, making it 73 years old in 2025.
What condition is SR 547 over Sumas 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 July 2023.
How much traffic does SR 547 over Sumas River carry?
About 1,915 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is SR 547 over Sumas River?
The structure is 126 ft (38.4 m) long with a longest span of 22 ft (6.7 m) and a deck 26 ft wide.
Who owns SR 547 over Sumas River?
It is owned by the State Highway Agency.