Threemile Road over Threemile Creek
FairWasco County, Oregon · 4.1 MI S of Dry Hollow RD · Structure no. 65C40 161 00806
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected August 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 25 ft
- 1 main span
- Daily traffic
- 161
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Threemile Road over Threemile Creek is a prestressed concrete slab carrying Threemile Road over Threemile Creek in Wasco County, Oregon. It was built in 1976, so it is 49 years old, younger than the Oregon average of 49.9 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 161 vehicles a day, roughly 10% of them trucks, projected to reach 186 by 2025. The structure is 25 ft (7.6 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Threemile Road over Threemile Creek built?
It was built in 1976, making it 49 years old in 2025.
What condition is Threemile Road over Threemile 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 August 2024.
How much traffic does Threemile Road over Threemile Creek carry?
About 161 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Threemile Road over Threemile Creek?
The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 29 ft wide.
Who owns Threemile Road over Threemile Creek?
It is owned by the County Highway Agency.