Mt. Adams Rd. over White Salmon River
FairKlickitat County, Washington · 1.4 N JCT SR 141 · Structure no. 081247000000000
- Built
- 1958
- 67 years old
- Condition
- Fair
- inspected September 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 85 ft
- 3 main spans
- Daily traffic
- 199
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Mt. Adams Rd. over White Salmon River is a concrete continuous tee beam carrying Mt. Adams Rd. over White Salmon River in Klickitat County, Washington. It was built in 1958, so it is 67 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 199 vehicles a day, roughly 59% of them trucks, projected to reach 248 by 2045. The structure is 85 ft (25.9 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mt. Adams Rd. over White Salmon River built?
It was built in 1958, making it 67 years old in 2025.
What condition is Mt. Adams Rd. over White Salmon 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 2024.
How much traffic does Mt. Adams Rd. over White Salmon River carry?
About 199 vehicles per day (2023 count), of which roughly 59% are trucks.
How long is Mt. Adams Rd. over White Salmon River?
The structure is 85 ft (25.9 m) long with a longest span of 50 ft (15.2 m) and a deck 31 ft wide.
Who owns Mt. Adams Rd. over White Salmon River?
It is owned by the County Highway Agency.