Pat OLD/5630 over South Fork Palouse River
FairPosted for loadWhitman County, Washington · 0.46 MI S Pullman-Albion · Structure no. 083085000000000
- Built
- 1963
- 62 years old
- Condition
- Fair
- inspected December 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 73 ft
- 1 main span
- Daily traffic
- 10
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Pat OLD/5630 over South Fork Palouse River is a prestressed concrete tee beam carrying Pat OLD/5630 over South Fork Palouse River in Whitman County, Washington. It was built in 1963, so it is 62 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 10 vehicles a day, roughly 25% of them trucks, projected to reach 11 by 2039. The structure is 73 ft (22.3 m) long and 18 ft wide. If it were closed, the detour would be 98.8 mi (159 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 |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Pat OLD/5630 over South Fork Palouse River built?
It was built in 1963, making it 62 years old in 2025.
What condition is Pat OLD/5630 over South Fork Palouse River 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 December 2024.
How much traffic does Pat OLD/5630 over South Fork Palouse River carry?
About 10 vehicles per day (2020 count), of which roughly 25% are trucks.
How long is Pat OLD/5630 over South Fork Palouse River?
The structure is 73 ft (22.3 m) long with a longest span of 71 ft (21.6 m) and a deck 18 ft wide.
Who owns Pat OLD/5630 over South Fork Palouse River?
It is owned by the County Highway Agency.