US 12 over Satsop R Overflow
FairGrays Harbor County, Washington · 5.0 E JCT SR 107 · Structure no. 0007612D0000000
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected February 2024
- Type
- Slab
- Concrete Continuous
- Length
- 175 ft
- 6 main spans
- Daily traffic
- 11,589
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 12 over Satsop R Overflow is a concrete continuous slab carrying US 12 over Satsop R Overflow in Grays Harbor County, Washington. It was built in 1965, so it is 60 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 11,589 vehicles a day, roughly 8% of them trucks, projected to reach 13,273 by 2039. The structure is 175 ft (53.3 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 12 over Satsop R Overflow built?
It was built in 1965, making it 60 years old in 2025.
What condition is US 12 over Satsop R Overflow 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 February 2024.
How much traffic does US 12 over Satsop R Overflow carry?
About 11,589 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is US 12 over Satsop R Overflow?
The structure is 175 ft (53.3 m) long with a longest span of 32 ft (9.8 m) and a deck 34 ft wide.
Who owns US 12 over Satsop R Overflow?
It is owned by the State Highway Agency.