20 TH Street over Pataha Creek
FairGarfield County, Washington · 0.2 S US 12 on 20th · Structure no. 085570000000000
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 75
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
20 TH Street over Pataha Creek is a prestressed concrete stringer/multi-beam or girder carrying 20 TH Street over Pataha Creek in Garfield County, Washington. It was built in 1965, so it is 60 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 75 vehicles a day, roughly 5% of them trucks, projected to reach 85 by 2040. The structure is 30 ft (9.1 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 20 TH Street over Pataha Creek built?
It was built in 1965, making it 60 years old in 2025.
What condition is 20 TH Street over Pataha 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 October 2024.
How much traffic does 20 TH Street over Pataha Creek carry?
About 75 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is 20 TH Street over Pataha Creek?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 30 ft wide.
Who owns 20 TH Street over Pataha Creek?
It is owned by the City or Municipal Highway Agency.