Swan Lake Road over Drainage Ditch
FairPosted for loadKlamath County, Oregon · 153 MI NW of HWY 140 · Structure no. 35C197097101530
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 25 ft
- 1 main span
- Daily traffic
- 31
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Swan Lake Road over Drainage Ditch is a wood or timber stringer/multi-beam or girder carrying Swan Lake Road over Drainage Ditch in Klamath County, Oregon. It was built in 1973, so it is 52 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 load restriction.
It carries about 31 vehicles a day, roughly 10% of them trucks, projected to reach 34 by 2025. The structure is 25 ft (7.6 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Swan Lake Road over Drainage Ditch built?
It was built in 1973, making it 52 years old in 2025.
What condition is Swan Lake Road over Drainage Ditch 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 March 2023.
How much traffic does Swan Lake Road over Drainage Ditch carry?
About 31 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Swan Lake Road over Drainage Ditch?
The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 31 ft wide.
Who owns Swan Lake Road over Drainage Ditch?
It is owned by the County Highway Agency.