Archer Road over Pataha Creek
GoodColumbia County, Washington · 0.046 MI Left SR12 · Structure no. 086403000000000
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected October 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 92 ft
- 1 main span
- Daily traffic
- 50
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Archer Road over Pataha Creek is a prestressed concrete tee beam carrying Archer Road over Pataha Creek in Columbia County, Washington. It was built in 1998, so it is 27 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 50 vehicles a day, roughly 20% of them trucks, projected to reach 100 by 2041. The structure is 92 ft (28 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Archer Road over Pataha Creek built?
It was built in 1998, making it 27 years old in 2025.
What condition is Archer Road over Pataha 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 2023.
How much traffic does Archer Road over Pataha Creek carry?
About 50 vehicles per day (2019 count), of which roughly 20% are trucks.
How long is Archer Road over Pataha Creek?
The structure is 92 ft (28 m) long with a longest span of 89 ft (27.1 m) and a deck 29 ft wide.
Who owns Archer Road over Pataha Creek?
It is owned by the County Highway Agency.