Gillies RD over Sumas River
FairPosted for loadWhatcom County, Washington · 00.2 N of Alm Rd. · Structure no. 082668000000000
- Built
- 1932
- 93 years old, rebuilt 1992
- Condition
- Fair
- inspected October 2024
- Type
- Channel Beam
- Concrete
- Length
- 76 ft
- 4 main spans
- Daily traffic
- 280
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Gillies RD over Sumas River is a concrete channel beam carrying Gillies RD over Sumas River in Whatcom County, Washington. It was built in 1932 and reconstructed in 1992, so it is 93 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 280 vehicles a day, roughly 1% of them trucks, projected to reach 800 by 2046. The structure is 76 ft (23.2 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Gillies RD over Sumas River built?
It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1992.
What condition is Gillies 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 October 2024.
How much traffic does Gillies RD over Sumas River carry?
About 280 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is Gillies RD over Sumas River?
The structure is 76 ft (23.2 m) long with a longest span of 18 ft (5.4 m) and a deck 26 ft wide.
Who owns Gillies RD over Sumas River?
It is owned by the County Highway Agency.