Siuslaw RD over Siuslaw River
FairLane County, Oregon · 065 MI W of Lorane · Structure no. 39C451439003555
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected July 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 172 ft
- 2 main spans
- Daily traffic
- 325
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Siuslaw RD over Siuslaw River is a prestressed concrete tee beam carrying Siuslaw RD over Siuslaw River in Lane County, Oregon. It was built in 1984, so it is 41 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 325 vehicles a day, roughly 10% of them trucks, projected to reach 380 by 2025. The structure is 172 ft (52.4 m) long and 33 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Siuslaw RD over Siuslaw River built?
It was built in 1984, making it 41 years old in 2025.
What condition is Siuslaw RD over Siuslaw 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 2024.
How much traffic does Siuslaw RD over Siuslaw River carry?
About 325 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Siuslaw RD over Siuslaw River?
The structure is 172 ft (52.4 m) long with a longest span of 85 ft (25.9 m) and a deck 33 ft wide.
Who owns Siuslaw RD over Siuslaw River?
It is owned by the County Highway Agency.