SR 503 over Chelatchie Creek
GoodClark County, Washington · 16.4 N JCT SR 502 · Structure no. 000000MQ0000000
- Built
- 1954
- 71 years old
- Condition
- Good
- inspected August 2024
- Type
- Slab
- Concrete
- Length
- 21 ft
- 1 main span
- Daily traffic
- 2,508
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 503 over Chelatchie Creek is a concrete slab carrying SR 503 over Chelatchie Creek in Clark County, Washington. It was built in 1954, so it is 71 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 2,508 vehicles a day, roughly 8% of them trucks, projected to reach 3,202 by 2039. The structure is 21 ft (6.4 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 503 over Chelatchie Creek built?
It was built in 1954, making it 71 years old in 2025.
What condition is SR 503 over Chelatchie 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 August 2024.
How much traffic does SR 503 over Chelatchie Creek carry?
About 2,508 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is SR 503 over Chelatchie Creek?
The structure is 21 ft (6.4 m) long with a longest span of 18 ft (5.5 m) and a deck 28 ft wide.
Who owns SR 503 over Chelatchie Creek?
It is owned by the State Highway Agency.