Caples Road over Salmon Creek
GoodClark County, Washington · 5.4 N JCT SR 503 · Structure no. 000000HE0000000
- Built
- 1923
- 102 years old
- Condition
- Good
- inspected July 2023
- Type
- Culvert
- Concrete
- Length
- 80 ft
- 1 main span
- Daily traffic
- 1,640
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
Caples Road over Salmon Creek is a concrete culvert carrying Caples Road over Salmon Creek in Clark County, Washington. It was built in 1923, so it is 102 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 1,640 vehicles a day, roughly 11% of them trucks, projected to reach 4,733 by 2043. The structure is 80 ft (24.4 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Caples Road over Salmon Creek built?
It was built in 1923, making it 102 years old in 2025.
What condition is Caples Road over Salmon Creek 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 Caples Road over Salmon Creek carry?
About 1,640 vehicles per day (2017 count), of which roughly 11% are trucks.
How long is Caples Road over Salmon Creek?
The structure is 80 ft (24.4 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.
Who owns Caples Road over Salmon Creek?
It is owned by the County Highway Agency.