SR 112 over W Twin River
FairClallam County, Washington · 15.8 E JCT SR 113 · Structure no. 0004714A0000000
- Built
- 1954
- 71 years old
- Condition
- Fair
- inspected September 2024
- Type
- Slab
- Concrete Continuous
- Length
- 160 ft
- 7 main spans
- Daily traffic
- 835
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 112 over W Twin River is a concrete continuous slab carrying SR 112 over W Twin River in Clallam County, Washington. It was built in 1954, so it is 71 years old, older 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 6 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 835 vehicles a day, roughly 16% of them trucks, projected to reach 1,061 by 2039. The structure is 160 ft (48.8 m) long and 34 ft wide. If it were closed, the detour would be 23 mi (37 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 112 over W Twin River built?
It was built in 1954, making it 71 years old in 2025.
What condition is SR 112 over W Twin River 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 September 2024.
How much traffic does SR 112 over W Twin River carry?
About 835 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is SR 112 over W Twin River?
The structure is 160 ft (48.8 m) long with a longest span of 24 ft (7.3 m) and a deck 34 ft wide.
Who owns SR 112 over W Twin River?
It is owned by the State Highway Agency.