Rock Hill Drive over Oak Creek
PoorLinn County, Oregon · 008 MI S CR 717 · Structure no. 12663 071500085
- Built
- 1968
- 57 years old
- Condition
- Poor
- inspected June 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 31 ft
- 1 main span
- Daily traffic
- 930
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Rock Hill Drive over Oak Creek is a prestressed concrete slab carrying Rock Hill Drive over Oak Creek in Linn County, Oregon. It was built in 1968, so it is 57 years old, older than the Oregon average of 49.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.
It carries about 930 vehicles a day, roughly 15% of them trucks, projected to reach 1,591 by 2041. The structure is 31 ft (9.4 m) long and 36 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Rock Hill Drive over Oak Creek built?
It was built in 1968, making it 57 years old in 2025.
What condition is Rock Hill Drive over Oak Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.
How much traffic does Rock Hill Drive over Oak Creek carry?
About 930 vehicles per day (2021 count), of which roughly 15% are trucks.
How long is Rock Hill Drive over Oak Creek?
The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 36 ft wide.
Who owns Rock Hill Drive over Oak Creek?
It is owned by the County Highway Agency.