US 12 over Silver Creek
GoodLewis County, Washington · 1.0 E JCT SR 122 · Structure no. 0016540A0000000
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected April 2024
- Type
- Culvert
- Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 6,690
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 12 over Silver Creek is a concrete culvert carrying US 12 over Silver Creek in Lewis County, Washington. It was built in 2003, so it is 22 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 6,690 vehicles a day, roughly 23% of them trucks, projected to reach 8,521 by 2039. The structure is 26 ft (7.9 m) long and 140 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 12 over Silver Creek built?
It was built in 2003, making it 22 years old in 2025.
What condition is US 12 over Silver 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 April 2024.
How much traffic does US 12 over Silver Creek carry?
About 6,690 vehicles per day (2023 count), of which roughly 23% are trucks.
How long is US 12 over Silver Creek?
The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m) and a deck 140 ft wide.
Who owns US 12 over Silver Creek?
It is owned by the State Highway Agency.