Deming RD over Smith Creek Overflow
FairWhatcom County, Washington · 01.0 SE Mt Baker Hy · Structure no. 083627000000000
- Built
- 1946
- 79 years old
- Condition
- Fair
- inspected March 2023
- Type
- Slab
- Concrete Continuous
- Length
- 84 ft
- 4 main spans
- Daily traffic
- 1,112
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Deming RD over Smith Creek Overflow is a concrete continuous slab carrying Deming RD over Smith Creek Overflow in Whatcom County, Washington. It was built in 1946, so it is 79 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,112 vehicles a day, roughly 2% of them trucks, projected to reach 1,500 by 2043. The structure is 84 ft (25.6 m) long and 28 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Deming RD over Smith Creek Overflow built?
It was built in 1946, making it 79 years old in 2025.
What condition is Deming RD over Smith Creek Overflow 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 March 2023.
How much traffic does Deming RD over Smith Creek Overflow carry?
About 1,112 vehicles per day (2021 count), of which roughly 2% are trucks.
How long is Deming RD over Smith Creek Overflow?
The structure is 84 ft (25.6 m) long with a longest span of 22 ft (6.7 m) and a deck 28 ft wide.
Who owns Deming RD over Smith Creek Overflow?
It is owned by the County Highway Agency.