US 12 over Cortright Creek
FairLewis County, Washington · 1.7 E JCT SR 123 · Structure no. 0012115A0000000
- Built
- 1983
- 42 years old
- Condition
- Fair
- inspected May 2023
- Type
- Truss - Deck
- Steel Continuous
- Length
- 429 ft
- 3 main spans
- Daily traffic
- 1,631
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 12 over Cortright Creek is a steel continuous truss - deck carrying US 12 over Cortright Creek in Lewis County, Washington. It was built in 1983, so it is 42 years old, younger than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,631 vehicles a day, roughly 33% of them trucks, projected to reach 2,022 by 2039. The structure is 429 ft (130.8 m) long and 48 ft wide. If it were closed, the detour would be 98.8 mi (159 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Cortright Creek built?
It was built in 1983, making it 42 years old in 2025.
What condition is US 12 over Cortright Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.
How much traffic does US 12 over Cortright Creek carry?
About 1,631 vehicles per day (2023 count), of which roughly 33% are trucks.
How long is US 12 over Cortright Creek?
The structure is 429 ft (130.8 m) long with a longest span of 275 ft (83.8 m) and a deck 48 ft wide.
Who owns US 12 over Cortright Creek?
It is owned by the State Highway Agency.