US 12 over Touchet River
GoodColumbia County, Washington · 2.0 E Walla Wal CO · Structure no. 0007856A0000000
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected June 2024
- Type
- Slab
- Concrete Continuous
- Length
- 143 ft
- 3 main spans
- Daily traffic
- 4,556
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 12 over Touchet River is a concrete continuous slab carrying US 12 over Touchet River in Columbia County, Washington. It was built in 1966, so it is 59 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 4,556 vehicles a day, roughly 17% of them trucks, projected to reach 5,155 by 2039. The structure is 143 ft (43.6 m) long and 40 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 12 over Touchet River built?
It was built in 1966, making it 59 years old in 2025.
What condition is US 12 over Touchet River 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 June 2024.
How much traffic does US 12 over Touchet River carry?
About 4,556 vehicles per day (2023 count), of which roughly 17% are trucks.
How long is US 12 over Touchet River?
The structure is 143 ft (43.6 m) long with a longest span of 57 ft (17.4 m) and a deck 40 ft wide.
Who owns US 12 over Touchet River?
It is owned by the State Highway Agency.