Big ALKALI/7005 over Alkali Flat Creek
GoodPosted for loadWhitman County, Washington · 9.57 MI NE Little Gse Dam · Structure no. 084605000000000
- Built
- 1962
- 63 years old
- Condition
- Good
- inspected November 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 99
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Big ALKALI/7005 over Alkali Flat Creek is a prestressed concrete tee beam carrying Big ALKALI/7005 over Alkali Flat Creek in Whitman County, Washington. It was built in 1962, so it is 63 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.
It carries about 99 vehicles a day, roughly 25% of them trucks, projected to reach 109 by 2042. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 23 mi (37 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Big ALKALI/7005 over Alkali Flat Creek built?
It was built in 1962, making it 63 years old in 2025.
What condition is Big ALKALI/7005 over Alkali Flat Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.
How much traffic does Big ALKALI/7005 over Alkali Flat Creek carry?
About 99 vehicles per day (2022 count), of which roughly 25% are trucks.
How long is Big ALKALI/7005 over Alkali Flat Creek?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 28 ft wide.
Who owns Big ALKALI/7005 over Alkali Flat Creek?
It is owned by the County Highway Agency.