Greenhouse Ln. over West Fork Silvies River
GoodHarney County, Oregon · 024 MI US HWY 20 · Structure no. 19922 C12800244
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected September 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 248
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Greenhouse Ln. over West Fork Silvies River is a prestressed concrete slab carrying Greenhouse Ln. over West Fork Silvies River in Harney County, Oregon. It was built in 2005, so it is 20 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 248 vehicles a day, roughly 10% of them trucks, projected to reach 283 by 2025. The structure is 50 ft (15.2 m) long and 28 ft wide. If it were closed, the detour would be 14.9 mi (24 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 Greenhouse Ln. over West Fork Silvies River built?
It was built in 2005, making it 20 years old in 2025.
What condition is Greenhouse Ln. over West Fork Silvies River 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 Greenhouse Ln. over West Fork Silvies River carry?
About 248 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Greenhouse Ln. over West Fork Silvies River?
The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.
Who owns Greenhouse Ln. over West Fork Silvies River?
It is owned by the County Highway Agency.