Anderson Grade RD over Cook Creek
FairTillamook County, Oregon · Anderson Grade RD · Structure no. 22761 000 00000
- Built
- 1956
- 69 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 100 ft
- 1 main span
- Daily traffic
- 50
- 2015 count
- Owner
- State
- State Park, Forest, or Reservation Agency
About this bridge
Anderson Grade RD over Cook Creek is a steel stringer/multi-beam or girder carrying Anderson Grade RD over Cook Creek in Tillamook County, Oregon. It was built in 1956, so it is 69 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 50 vehicles a day, roughly 1% of them trucks, projected to reach 50 by 2030. The structure is 100 ft (30.5 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Anderson Grade RD over Cook Creek built?
It was built in 1956, making it 69 years old in 2025.
What condition is Anderson Grade RD over Cook 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 May 2023.
How much traffic does Anderson Grade RD over Cook Creek carry?
About 50 vehicles per day (2015 count), of which roughly 1% are trucks.
How long is Anderson Grade RD over Cook Creek?
The structure is 100 ft (30.5 m) long with a longest span of 100 ft (30.5 m) and a deck 14 ft wide.
Who owns Anderson Grade RD over Cook Creek?
It is owned by the State Park, Forest, or Reservation Agency.