Silver Lake Road over Williamson River Canal
FairKlamath County, Oregon · 1743 MI E HWY 97 · Structure no. 18C032067601743
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 29 ft
- 1 main span
- Daily traffic
- 241
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Silver Lake Road over Williamson River Canal is a prestressed concrete slab carrying Silver Lake Road over Williamson River Canal in Klamath County, Oregon. It was built in 1986, so it is 39 years old, younger 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 241 vehicles a day, roughly 10% of them trucks, projected to reach 256 by 2025. The structure is 29 ft (8.8 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 Silver Lake Road over Williamson River Canal built?
It was built in 1986, making it 39 years old in 2025.
What condition is Silver Lake Road over Williamson River Canal 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 July 2024.
How much traffic does Silver Lake Road over Williamson River Canal carry?
About 241 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Silver Lake Road over Williamson River Canal?
The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.
Who owns Silver Lake Road over Williamson River Canal?
It is owned by the County Highway Agency.