US 12 over Gulch
GoodLewis County, Washington · 3.6 E JCT SR 123 · Structure no. 0014737A0000000
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 210 ft
- 1 main span
- Daily traffic
- 1,774
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 12 over Gulch is a steel stringer/multi-beam or girder carrying US 12 over Gulch in Lewis County, Washington. It was built in 1997, so it is 28 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 1,774 vehicles a day, roughly 27% of them trucks, projected to reach 2,047 by 2039. The structure is 210 ft (64 m) long and 34 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 12 over Gulch built?
It was built in 1997, making it 28 years old in 2025.
What condition is US 12 over Gulch 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 Gulch carry?
About 1,774 vehicles per day (2023 count), of which roughly 27% are trucks.
How long is US 12 over Gulch?
The structure is 210 ft (64 m) long with a longest span of 206 ft (62.8 m) and a deck 34 ft wide.
Who owns US 12 over Gulch?
It is owned by the State Highway Agency.