Happy Valley Rd. over South Umpqua River
FairDouglas County, Oregon · T28S-R6W-S3 · Structure no. 18399 000 00067
- Built
- 1996
- 29 years old
- Condition
- Fair
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Steel Continuous
- Length
- 461 ft
- 3 main spans
- Daily traffic
- 1,886
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Happy Valley Rd. over South Umpqua River is a steel continuous box beam or girders - multiple carrying Happy Valley Rd. over South Umpqua River in Douglas County, Oregon. It was built in 1996, so it is 29 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 1,886 vehicles a day, roughly 10% of them trucks, projected to reach 2,131 by 2025. The structure is 461 ft (140.5 m) long and 43 ft wide. If it were closed, the detour would be 14.3 mi (23 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Happy Valley Rd. over South Umpqua River built?
It was built in 1996, making it 29 years old in 2025.
What condition is Happy Valley Rd. over South Umpqua River 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 2023.
How much traffic does Happy Valley Rd. over South Umpqua River carry?
About 1,886 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Happy Valley Rd. over South Umpqua River?
The structure is 461 ft (140.5 m) long with a longest span of 170 ft (51.8 m) and a deck 43 ft wide.
Who owns Happy Valley Rd. over South Umpqua River?
It is owned by the County Highway Agency.