No Fork Siuslaw RD over North Fork Siuslaw River
FairLane County, Oregon · 120 MI NW of Mapleton · Structure no. 39C532507001150
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected September 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 176 ft
- 3 main spans
- Daily traffic
- 152
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
No Fork Siuslaw RD over North Fork Siuslaw River is a prestressed concrete slab carrying No Fork Siuslaw RD over North Fork Siuslaw River in Lane County, Oregon. It was built in 1979, so it is 46 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 5 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 152 vehicles a day, roughly 3% of them trucks, projected to reach 177 by 2025. The structure is 176 ft (53.6 m) long and 28 ft wide. If it were closed, the detour would be 22.4 mi (36 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 No Fork Siuslaw RD over North Fork Siuslaw River built?
It was built in 1979, making it 46 years old in 2025.
What condition is No Fork Siuslaw RD over North Fork 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 September 2023.
How much traffic does No Fork Siuslaw RD over North Fork Siuslaw River carry?
About 152 vehicles per day (2020 count), of which roughly 3% are trucks.
How long is No Fork Siuslaw RD over North Fork Siuslaw River?
The structure is 176 ft (53.6 m) long with a longest span of 58 ft (17.7 m) and a deck 28 ft wide.
Who owns No Fork Siuslaw RD over North Fork Siuslaw River?
It is owned by the County Highway Agency.