US 12 over Clear Fk of Cowlitz R
PoorLewis County, Washington · 23.1 E JCT SR 131 · Structure no. 0009138A0000000
- Built
- 1972
- 53 years old
- Condition
- Poor
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 415 ft
- 3 main spans
- Daily traffic
- 2,452
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 12 over Clear Fk of Cowlitz R is a prestressed concrete continuous stringer/multi-beam or girder carrying US 12 over Clear Fk of Cowlitz R in Lewis County, Washington. It was built in 1972, so it is 53 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 2,452 vehicles a day, roughly 18% of them trucks, projected to reach 2,789 by 2039. The structure is 415 ft (126.5 m) long and 47 ft wide. If it were closed, the detour would be 60.3 mi (97 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Clear Fk of Cowlitz R built?
It was built in 1972, making it 53 years old in 2025.
What condition is US 12 over Clear Fk of Cowlitz R in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.
How much traffic does US 12 over Clear Fk of Cowlitz R carry?
About 2,452 vehicles per day (2023 count), of which roughly 18% are trucks.
How long is US 12 over Clear Fk of Cowlitz R?
The structure is 415 ft (126.5 m) long with a longest span of 156 ft (47.5 m) and a deck 47 ft wide.
Who owns US 12 over Clear Fk of Cowlitz R?
It is owned by the State Highway Agency.