C138 Silver CR RD over Silver Creek
GoodHarney County, Oregon · 007 US HWY 20 · Structure no. 18039 C13825A17
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected September 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 57 ft
- 1 main span
- Daily traffic
- 119
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
C138 Silver CR RD over Silver Creek is a prestressed concrete slab carrying C138 Silver CR RD over Silver Creek in Harney County, Oregon. It was built in 1997, so it is 28 years old, younger than the Oregon average of 49.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 119 vehicles a day, roughly 20% of them trucks, projected to reach 134 by 2025. The structure is 57 ft (17.4 m) long and 28 ft wide. If it were closed, the detour would be 21.7 mi (35 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was C138 Silver CR RD over Silver Creek built?
It was built in 1997, making it 28 years old in 2025.
What condition is C138 Silver CR RD over Silver Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.
How much traffic does C138 Silver CR RD over Silver Creek carry?
About 119 vehicles per day (2020 count), of which roughly 20% are trucks.
How long is C138 Silver CR RD over Silver Creek?
The structure is 57 ft (17.4 m) long with a longest span of 55 ft (16.8 m) and a deck 28 ft wide.
Who owns C138 Silver CR RD over Silver Creek?
It is owned by the County Highway Agency.