Adams RD over Silk Creek
GoodLane County, Oregon · 010 MI W Cottage Grove · Structure no. 39C252266000001
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected September 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 63 ft
- 1 main span
- Daily traffic
- 117
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Adams RD over Silk Creek is a prestressed concrete slab carrying Adams RD over Silk Creek in Lane County, Oregon. It was built in 1987, so it is 38 years old, younger than the Oregon average of 49.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 117 vehicles a day, roughly 10% of them trucks, projected to reach 137 by 2025. The structure is 63 ft (19.2 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 Adams RD over Silk Creek built?
It was built in 1987, making it 38 years old in 2025.
What condition is Adams RD over Silk Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.
How much traffic does Adams RD over Silk Creek carry?
About 117 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Adams RD over Silk Creek?
The structure is 63 ft (19.2 m) long with a longest span of 62 ft (18.9 m) and a deck 28 ft wide.
Who owns Adams RD over Silk Creek?
It is owned by the County Highway Agency.