Thompson Road over Cowiche Creek N. Fork
FairPosted for loadYakima County, Washington · 00.36 E Elliot Road · Structure no. 084688000000000
- Built
- 1951
- 74 years old
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 38 ft
- 3 main spans
- Daily traffic
- 991
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Thompson Road over Cowiche Creek N. Fork is a concrete continuous slab carrying Thompson Road over Cowiche Creek N. Fork in Yakima County, Washington. It was built in 1951, so it is 74 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 5 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 991 vehicles a day, roughly 5% of them trucks, projected to reach 1,600 by 2040. The structure is 38 ft (11.6 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Thompson Road over Cowiche Creek N. Fork built?
It was built in 1951, making it 74 years old in 2025.
What condition is Thompson Road over Cowiche Creek N. Fork 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 2024.
How much traffic does Thompson Road over Cowiche Creek N. Fork carry?
About 991 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Thompson Road over Cowiche Creek N. Fork?
The structure is 38 ft (11.6 m) long with a longest span of 14 ft (4.3 m) and a deck 24 ft wide.
Who owns Thompson Road over Cowiche Creek N. Fork?
It is owned by the County Highway Agency.