Alm RD over Sumas River
FairPosted for loadWhatcom County, Washington · 0.4 W Glles · Structure no. 082670000000000
- Built
- 1947
- 78 years old, rebuilt 1993
- Condition
- Fair
- inspected April 2024
- Type
- Channel Beam
- Concrete
- Length
- 69 ft
- 3 main spans
- Daily traffic
- 291
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Alm RD over Sumas River is a concrete channel beam carrying Alm RD over Sumas River in Whatcom County, Washington. It was built in 1947 and reconstructed in 1993, 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 291 vehicles a day, roughly 3% of them trucks, projected to reach 450 by 2045. The structure is 69 ft (21 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Alm RD over Sumas River built?
It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1993.
What condition is Alm RD over Sumas 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 April 2024.
How much traffic does Alm RD over Sumas River carry?
About 291 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Alm RD over Sumas River?
The structure is 69 ft (21 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.
Who owns Alm RD over Sumas River?
It is owned by the County Highway Agency.