SR 503 over Salmon Creek
GoodClark County, Washington · 4.0 N JCT SR 500 · Structure no. 0014483A0000000
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 415 ft
- 4 main spans
- Daily traffic
- 26,735
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 503 over Salmon Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 503 over Salmon Creek in Clark County, Washington. It was built in 1994, so it is 31 years old, younger 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 26,735 vehicles a day, roughly 8% of them trucks, projected to reach 39,017 by 2039. The structure is 415 ft (126.5 m) long and 81 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 503 over Salmon Creek built?
It was built in 1994, making it 31 years old in 2025.
What condition is SR 503 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 February 2023.
How much traffic does SR 503 over Salmon Creek carry?
About 26,735 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is SR 503 over Salmon Creek?
The structure is 415 ft (126.5 m) long with a longest span of 115 ft (35.1 m) and a deck 81 ft wide.
Who owns SR 503 over Salmon Creek?
It is owned by the State Highway Agency.