North Thorp HWY over Yakima River
FairKittitas County, Washington · 00.82 SE SR-10 · Structure no. 084686000000000
- Built
- 1936
- 89 years old
- Condition
- Fair
- inspected June 2023
- Type
- Truss - Thru
- Steel
- Length
- 270 ft
- 1 main span
- Daily traffic
- 237
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
North Thorp HWY over Yakima River is a steel truss - thru carrying North Thorp HWY over Yakima River in Kittitas County, Washington. It was built in 1936, so it is 89 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 237 vehicles a day, roughly 27% of them trucks, projected to reach 628 by 2038. The structure is 270 ft (82.3 m) long and 21 ft wide. If it were closed, the detour would be 16.8 mi (27 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was North Thorp HWY over Yakima River built?
It was built in 1936, making it 89 years old in 2025.
What condition is North Thorp HWY over Yakima 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 June 2023.
How much traffic does North Thorp HWY over Yakima River carry?
About 237 vehicles per day (2018 count), of which roughly 27% are trucks.
How long is North Thorp HWY over Yakima River?
The structure is 270 ft (82.3 m) long with a longest span of 202 ft (61.6 m) and a deck 21 ft wide.
Who owns North Thorp HWY over Yakima River?
It is owned by the County Highway Agency.