SR 504 over N Fk Toutle River
PoorCowlitz County, Washington · 2.6 E JCT SR 505 · Structure no. 0007631A0000000
- Built
- 1965
- 60 years old
- Condition
- Poor
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 493 ft
- 3 main spans
- Daily traffic
- 955
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 504 over N Fk Toutle River is a steel continuous stringer/multi-beam or girder carrying SR 504 over N Fk Toutle River in Cowlitz County, Washington. It was built in 1965, so it is 60 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 955 vehicles a day, roughly 18% of them trucks, projected to reach 1,309 by 2039. The structure is 493 ft (150.3 m) long and 33 ft wide. If it were closed, the detour would be 14.3 mi (23 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 504 over N Fk Toutle River built?
It was built in 1965, making it 60 years old in 2025.
What condition is SR 504 over N Fk Toutle River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.
How much traffic does SR 504 over N Fk Toutle River carry?
About 955 vehicles per day (2023 count), of which roughly 18% are trucks.
How long is SR 504 over N Fk Toutle River?
The structure is 493 ft (150.3 m) long with a longest span of 175 ft (53.3 m) and a deck 33 ft wide.
Who owns SR 504 over N Fk Toutle River?
It is owned by the State Highway Agency.