Tiller-Trail HWY over S.Umpqua River
FairDouglas County, Oregon · 0.3 MI S of Tiller Po · Structure no. 19C477 1 2652
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected June 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 377 ft
- 3 main spans
- Daily traffic
- 1,160
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Tiller-Trail HWY over S.Umpqua River is a prestressed concrete tee beam carrying Tiller-Trail HWY over S.Umpqua River in Douglas County, Oregon. It was built in 1990, so it is 35 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 1,160 vehicles a day, roughly 10% of them trucks, projected to reach 1,310 by 2025. The structure is 377 ft (114.9 m) long and 43 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Tiller-Trail HWY over S.Umpqua River built?
It was built in 1990, making it 35 years old in 2025.
What condition is Tiller-Trail HWY over S.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 June 2023.
How much traffic does Tiller-Trail HWY over S.Umpqua River carry?
About 1,160 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Tiller-Trail HWY over S.Umpqua River?
The structure is 377 ft (114.9 m) long with a longest span of 135 ft (41.1 m) and a deck 43 ft wide.
Who owns Tiller-Trail HWY over S.Umpqua River?
It is owned by the County Highway Agency.