SR 26 over Union Flat Creek
GoodWhitman County, Washington · 8.1 E JCT SR 127 · Structure no. 0002385A0000000
- Built
- 1938
- 87 years old, rebuilt 1989
- Condition
- Good
- inspected March 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 190 ft
- 5 main spans
- Daily traffic
- 2,316
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 26 over Union Flat Creek is a concrete continuous tee beam carrying SR 26 over Union Flat Creek in Whitman County, Washington. It was built in 1938 and reconstructed in 1989, so it is 87 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.
It carries about 2,316 vehicles a day, roughly 20% of them trucks, projected to reach 3,259 by 2039. The structure is 190 ft (57.9 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 26 over Union Flat Creek built?
It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1989.
What condition is SR 26 over Union 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 March 2023.
How much traffic does SR 26 over Union Flat Creek carry?
About 2,316 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is SR 26 over Union Flat Creek?
The structure is 190 ft (57.9 m) long with a longest span of 70 ft (21.3 m) and a deck 35 ft wide.
Who owns SR 26 over Union Flat Creek?
It is owned by the State Highway Agency.