Roberts Road over Waldron Slough
FairLinn County, Oregon · 007 MI S CR 13 · Structure no. 12557 042000071
- Built
- 1966
- 59 years old, rebuilt 1996
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 82 ft
- 3 main spans
- Daily traffic
- 113
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Roberts Road over Waldron Slough is a prestressed concrete slab carrying Roberts Road over Waldron Slough in Linn County, Oregon. It was built in 1966 and reconstructed in 1996, 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 113 vehicles a day, projected to reach 154 by 2041. The structure is 82 ft (25 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Roberts Road over Waldron Slough built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1996.
What condition is Roberts Road over Waldron 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 October 2024.
How much traffic does Roberts Road over Waldron Slough carry?
About 113 vehicles per day (2021 count).
How long is Roberts Road over Waldron Slough?
The structure is 82 ft (25 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.
Who owns Roberts Road over Waldron Slough?
It is owned by the County Highway Agency.