Cook-Underwood RD over Little White Salmon Rive
FairPosted for loadSkamania County, Washington · 5.60 NE JCT SR 14 · Structure no. 081467000000000
- Built
- 1957
- 68 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Concrete Continuous
- Length
- 134 ft
- 1 main span
- Daily traffic
- 476
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Cook-Underwood RD over Little White Salmon Rive is a concrete continuous stringer/multi-beam or girder carrying Cook-Underwood RD over Little White Salmon Rive in Skamania County, Washington. It was built in 1957, so it is 68 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. Its operating status is: posted for load restriction.
It carries about 476 vehicles a day, roughly 23% of them trucks, projected to reach 400 by 2039. The structure is 134 ft (40.8 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cook-Underwood RD over Little White Salmon Rive built?
It was built in 1957, making it 68 years old in 2025.
What condition is Cook-Underwood RD over Little White Salmon Rive 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 July 2023.
How much traffic does Cook-Underwood RD over Little White Salmon Rive carry?
About 476 vehicles per day (2023 count), of which roughly 23% are trucks.
How long is Cook-Underwood RD over Little White Salmon Rive?
The structure is 134 ft (40.8 m) long with a longest span of 71 ft (21.6 m) and a deck 34 ft wide.
Who owns Cook-Underwood RD over Little White Salmon Rive?
It is owned by the County Highway Agency.