US 12 over Kiona Creek
GoodLewis County, Washington · 12.9 E JCT SR 7 · Structure no. 0000961A0000000
- Built
- 1925
- 100 years old, rebuilt 1977
- Condition
- Good
- inspected September 2023
- Type
- Tee Beam
- Concrete
- Length
- 32 ft
- 1 main span
- Daily traffic
- 4,795
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 12 over Kiona Creek is a concrete tee beam carrying US 12 over Kiona Creek in Lewis County, Washington. It was built in 1925 and reconstructed in 1977, so it is 100 years old, older 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 4,795 vehicles a day, roughly 21% of them trucks, projected to reach 5,704 by 2039. The structure is 32 ft (9.8 m) long and 43 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 US 12 over Kiona Creek built?
It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1977.
What condition is US 12 over Kiona 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 September 2023.
How much traffic does US 12 over Kiona Creek carry?
About 4,795 vehicles per day (2023 count), of which roughly 21% are trucks.
How long is US 12 over Kiona Creek?
The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 43 ft wide.
Who owns US 12 over Kiona Creek?
It is owned by the State Highway Agency.