Lng Jn MORASH/6020 over Union Flat Creek
GoodWhitman County, Washington · 0.08 MI SW Union Flat Crk · Structure no. 085656000000000
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected October 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 93 ft
- 1 main span
- Daily traffic
- 38
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Lng Jn MORASH/6020 over Union Flat Creek is a prestressed concrete tee beam carrying Lng Jn MORASH/6020 over Union Flat Creek in Whitman County, Washington. It was built in 1988, so it is 37 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 38 vehicles a day, roughly 25% of them trucks, projected to reach 39 by 2039. The structure is 93 ft (28.3 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 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 Lng Jn MORASH/6020 over Union Flat Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is Lng Jn MORASH/6020 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 October 2024.
How much traffic does Lng Jn MORASH/6020 over Union Flat Creek carry?
About 38 vehicles per day (2020 count), of which roughly 25% are trucks.
How long is Lng Jn MORASH/6020 over Union Flat Creek?
The structure is 93 ft (28.3 m) long with a longest span of 92 ft (28 m) and a deck 31 ft wide.
Who owns Lng Jn MORASH/6020 over Union Flat Creek?
It is owned by the County Highway Agency.