SR 500 over Washougal River
FairClark County, Washington · 14.4 E JCT SR 503 · Structure no. 0004241A0000000
- Built
- 1954
- 71 years old
- Condition
- Fair
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 460 ft
- 4 main spans
- Daily traffic
- 3,589
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 500 over Washougal River is a concrete continuous box beam or girders - multiple carrying SR 500 over Washougal River 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 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 3,589 vehicles a day, roughly 5% of them trucks, projected to reach 6,177 by 2039. The structure is 460 ft (140.2 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 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 SR 500 over Washougal River built?
It was built in 1954, making it 71 years old in 2025.
What condition is SR 500 over Washougal 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 September 2023.
How much traffic does SR 500 over Washougal River carry?
About 3,589 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is SR 500 over Washougal River?
The structure is 460 ft (140.2 m) long with a longest span of 170 ft (51.8 m) and a deck 32 ft wide.
Who owns SR 500 over Washougal River?
It is owned by the State Highway Agency.