Union FLAT/9020 over Union Flat Creek
GoodWhitman County, Washington · 0.98 MI SE Wawawai-Pullmn · Structure no. 086126000000000
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected January 2025
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 90 ft
- 1 main span
- Daily traffic
- 68
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Union FLAT/9020 over Union Flat Creek is a prestressed concrete tee beam carrying Union FLAT/9020 over Union Flat Creek in Whitman County, Washington. It was built in 1995, so it is 30 years old, younger 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 68 vehicles a day, roughly 25% of them trucks, projected to reach 69 by 2042. The structure is 90 ft (27.4 m) long and 28 ft wide. If it were closed, the detour would be 11.2 mi (18 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Union FLAT/9020 over Union Flat Creek built?
It was built in 1995, making it 30 years old in 2025.
What condition is Union FLAT/9020 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 January 2025.
How much traffic does Union FLAT/9020 over Union Flat Creek carry?
About 68 vehicles per day (2021 count), of which roughly 25% are trucks.
How long is Union FLAT/9020 over Union Flat Creek?
The structure is 90 ft (27.4 m) long with a longest span of 89 ft (27 m) and a deck 28 ft wide.
Who owns Union FLAT/9020 over Union Flat Creek?
It is owned by the County Highway Agency.