HWY 201 over South Fork Alsea River
FairBenton County, Oregon · 011 MI SW Alsea · Structure no. 01856 201 00111
- Built
- 1934
- 91 years old
- Condition
- Fair
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 95 ft
- 1 main span
- Daily traffic
- 342
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
HWY 201 over South Fork Alsea River is a steel stringer/multi-beam or girder carrying HWY 201 over South Fork Alsea River in Benton County, Oregon. It was built in 1934, so it is 91 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.
It carries about 342 vehicles a day, roughly 20% of them trucks, projected to reach 360 by 2042. The structure is 95 ft (29.1 m) long and 27 ft wide. If it were closed, the detour would be 31.7 mi (51 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 | 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 HWY 201 over South Fork Alsea River built?
It was built in 1934, making it 91 years old in 2025.
What condition is HWY 201 over South Fork Alsea 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 January 2024.
How much traffic does HWY 201 over South Fork Alsea River carry?
About 342 vehicles per day (2022 count), of which roughly 20% are trucks.
How long is HWY 201 over South Fork Alsea River?
The structure is 95 ft (29.1 m) long with a longest span of 55 ft (16.8 m) and a deck 27 ft wide.
Who owns HWY 201 over South Fork Alsea River?
It is owned by the State Highway Agency.