Steptoe Street over Union Flat Creek
FairWhitman County, Washington · 0.20 N SR 195 · Structure no. 085594000000000
- Built
- 1910
- 115 years old
- Condition
- Fair
- inspected January 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 86 ft
- 2 main spans
- Daily traffic
- 200
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Steptoe Street over Union Flat Creek is a concrete continuous culvert carrying Steptoe Street over Union Flat Creek in Whitman County, Washington. It was built in 1910, so it is 115 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 204 by 2044. The structure is 86 ft (26.2 m) long and 25 ft wide. If it were closed, the detour would be 11.8 mi (19 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Steptoe Street over Union Flat Creek built?
It was built in 1910, making it 115 years old in 2025.
What condition is Steptoe Street over Union Flat Creek 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 January 2024.
How much traffic does Steptoe Street over Union Flat Creek carry?
About 200 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is Steptoe Street over Union Flat Creek?
The structure is 86 ft (26.2 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.
Who owns Steptoe Street over Union Flat Creek?
It is owned by the City or Municipal Highway Agency.