C Street over Silver Creek
FairMarion County, Oregon · In Silverton · Structure no. 09765 034
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected August 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 78 ft
- 1 main span
- Daily traffic
- 4,272
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
C Street over Silver Creek is a prestressed concrete slab carrying C Street over Silver Creek in Marion County, Oregon. It was built in 1969, so it is 56 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 4,272 vehicles a day, roughly 11% of them trucks, projected to reach 4,763 by 2025. The structure is 78 ft (23.8 m) long and 56 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was C Street over Silver Creek built?
It was built in 1969, making it 56 years old in 2025.
What condition is C Street over Silver 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 C Street over Silver Creek carry?
About 4,272 vehicles per day (2020 count), of which roughly 11% are trucks.
How long is C Street over Silver Creek?
The structure is 78 ft (23.8 m) long with a longest span of 77 ft (23.5 m) and a deck 56 ft wide.
Who owns C Street over Silver Creek?
It is owned by the County Highway Agency.