Cot Gr-Lorane RD over Silk Creek
FairLane County, Oregon · 010 MI W HWY 99 · Structure no. 039C18260000113
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected September 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 70 ft
- 1 main span
- Daily traffic
- 3,263
- 2020 count
- Owner
- City
- City or Municipal 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 1982, so it is 43 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 3,263 vehicles a day, roughly 10% of them trucks, projected to reach 3,513 by 2025. The structure is 70 ft (21.3 m) long and 58 ft wide. If it were closed, the detour would be 29.2 mi (47 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 Cot Gr-Lorane RD over Silk Creek built?
It was built in 1982, making it 43 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 3,263 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Cot Gr-Lorane RD over Silk Creek?
The structure is 70 ft (21.3 m) long with a longest span of 69 ft (21 m) and a deck 58 ft wide.
Who owns Cot Gr-Lorane RD over Silk Creek?
It is owned by the City or Municipal Highway Agency.