Or 34 (hwy 27) over Mill Creek
FairBenton County, Oregon · 012 MI W Alsea · Structure no. 00933 027 03860
- Built
- 1953
- 72 years old
- Condition
- Fair
- inspected January 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 120 ft
- 3 main spans
- Daily traffic
- 1,162
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Or 34 (hwy 27) over Mill Creek is a concrete continuous tee beam carrying Or 34 (hwy 27) over Mill Creek in Benton County, Oregon. It was built in 1953, so it is 72 years old, older 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 1,162 vehicles a day, roughly 16% of them trucks, projected to reach 1,300 by 2042. The structure is 120 ft (36.6 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 7 Good | Some minor problems. |
| 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 Or 34 (hwy 27) over Mill Creek built?
It was built in 1953, making it 72 years old in 2025.
What condition is Or 34 (hwy 27) over Mill 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 January 2024.
How much traffic does Or 34 (hwy 27) over Mill Creek carry?
About 1,162 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is Or 34 (hwy 27) over Mill Creek?
The structure is 120 ft (36.6 m) long with a longest span of 48 ft (14.6 m) and a deck 31 ft wide.
Who owns Or 34 (hwy 27) over Mill Creek?
It is owned by the State Highway Agency.