Pyramid Basin over N.Fork Litle Naches Rvr
FairYakima County, Washington · No Data Entered · Structure no. 061708000001499
- Built
- 1972
- 53 years old, rebuilt 1994
- Condition
- Fair
- inspected August 2023
- Type
- Frame
- Concrete Continuous
- Length
- 111 ft
- 3 main spans
- Daily traffic
- 40
- 1995 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
Pyramid Basin over N.Fork Litle Naches Rvr is a concrete continuous frame carrying Pyramid Basin over N.Fork Litle Naches Rvr in Yakima County, Washington. It was built in 1972 and reconstructed in 1994, so it is 53 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.
It carries about 40 vehicles a day, projected to reach 60 by 2045. The structure is 111 ft (33.8 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Pyramid Basin over N.Fork Litle Naches Rvr built?
It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1994.
What condition is Pyramid Basin over N.Fork Litle Naches Rvr 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 August 2023.
How much traffic does Pyramid Basin over N.Fork Litle Naches Rvr carry?
About 40 vehicles per day (1995 count).
How long is Pyramid Basin over N.Fork Litle Naches Rvr?
The structure is 111 ft (33.8 m) long with a longest span of 75 ft (22.9 m) and a deck 16 ft wide.
Who owns Pyramid Basin over N.Fork Litle Naches Rvr?
It is owned by the U.S. Forest Service.