Cot Gr-Lorane RD over Silk Creek
FairLane County, Oregon · 034 MI W HWY 99 · Structure no. 039C20260000345
- Built
- 1980
- 45 years old
- Condition
- Fair
- inspected September 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 60 ft
- 1 main span
- Daily traffic
- 1,677
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Cot Gr-Lorane RD over Silk Creek is a prestressed concrete slab carrying Cot Gr-Lorane RD over Silk Creek in Lane County, Oregon. It was built in 1980, so it is 45 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 1,677 vehicles a day, roughly 10% of them trucks, projected to reach 1,962 by 2025. The structure is 60 ft (18.3 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 7 Good | Some minor problems. |
| 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 Cot Gr-Lorane RD over Silk Creek built?
It was built in 1980, making it 45 years old in 2025.
What condition is Cot Gr-Lorane RD over Silk Creek 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 2024.
How much traffic does Cot Gr-Lorane RD over Silk Creek carry?
About 1,677 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Cot Gr-Lorane RD over Silk Creek?
The structure is 60 ft (18.3 m) long with a longest span of 59 ft (18 m) and a deck 32 ft wide.
Who owns Cot Gr-Lorane RD over Silk Creek?
It is owned by the County Highway Agency.