Stan WILLCOX/1580 over Duffield Creek
FairWhitman County, Washington · 0.90 MI N SR 272 · Structure no. 084052000000000
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 53
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Stan WILLCOX/1580 over Duffield Creek is a prestressed concrete stringer/multi-beam or girder carrying Stan WILLCOX/1580 over Duffield Creek in Whitman County, Washington. It was built in 1978, so it is 47 years old, younger 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 53 vehicles a day, roughly 6% of them trucks, projected to reach 59 by 2044. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Stan WILLCOX/1580 over Duffield Creek built?
It was built in 1978, making it 47 years old in 2025.
What condition is Stan WILLCOX/1580 over Duffield 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 November 2023.
How much traffic does Stan WILLCOX/1580 over Duffield Creek carry?
About 53 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is Stan WILLCOX/1580 over Duffield Creek?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.7 m) and a deck 24 ft wide.
Who owns Stan WILLCOX/1580 over Duffield Creek?
It is owned by the County Highway Agency.