Totem Pole RD over Onehorse Slough
FairLinn County, Oregon · 010MI S CR 20L · Structure no. 11983 067200103
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected June 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 35 ft
- 1 main span
- Daily traffic
- 185
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Totem Pole RD over Onehorse Slough is a prestressed concrete slab carrying Totem Pole RD over Onehorse Slough in Linn County, Oregon. It was built in 1966, so it is 59 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 185 vehicles a day, roughly 10% of them trucks, projected to reach 258 by 2041. The structure is 35 ft (10.7 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Totem Pole RD over Onehorse Slough built?
It was built in 1966, making it 59 years old in 2025.
What condition is Totem Pole RD over Onehorse Slough 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 Totem Pole RD over Onehorse Slough carry?
About 185 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is Totem Pole RD over Onehorse Slough?
The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 28 ft wide.
Who owns Totem Pole RD over Onehorse Slough?
It is owned by the County Highway Agency.