Or 18 (hwy 39) over Slick Rock Creek
FairPosted for loadLincoln County, Oregon · 053 MI E HWY 9 JCT · Structure no. 01211A039 00534
- Built
- 1930
- 95 years old, rebuilt 1964
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Concrete Continuous
- Length
- 182 ft
- 3 main spans
- Daily traffic
- 8,356
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Or 18 (hwy 39) over Slick Rock Creek is a concrete continuous stringer/multi-beam or girder carrying Or 18 (hwy 39) over Slick Rock Creek in Lincoln County, Oregon. It was built in 1930 and reconstructed in 1964, so it is 95 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. Its operating status is: posted for other load-capacity restriction.
It carries about 8,356 vehicles a day, roughly 4% of them trucks, projected to reach 9,700 by 2042. The structure is 182 ft (55.5 m) long and 46 ft wide. If it were closed, the detour would be 13.7 mi (22 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 | 8 Very Good | No problems noted. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 18 (hwy 39) over Slick Rock Creek built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1964.
What condition is Or 18 (hwy 39) over Slick Rock 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 November 2024.
How much traffic does Or 18 (hwy 39) over Slick Rock Creek carry?
About 8,356 vehicles per day (2022 count), of which roughly 4% are trucks.
How long is Or 18 (hwy 39) over Slick Rock Creek?
The structure is 182 ft (55.5 m) long with a longest span of 60 ft (18.3 m) and a deck 46 ft wide.
Who owns Or 18 (hwy 39) over Slick Rock Creek?
It is owned by the State Highway Agency.