HWY 8000 over Knife Creek
FairCoos County, Oregon · HWY 8000 MP 3.4 · Structure no. 20894 000 00000
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected September 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 10
- 2010 count
- Owner
- State
- State Park, Forest, or Reservation Agency
About this bridge
HWY 8000 over Knife Creek is a prestressed concrete slab carrying HWY 8000 over Knife Creek in Coos County, Oregon. It was built in 1977, so it is 48 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 10 vehicles a day, roughly 1% of them trucks, projected to reach 15 by 2030. The structure is 30 ft (9.1 m) long and 17 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was HWY 8000 over Knife Creek built?
It was built in 1977, making it 48 years old in 2025.
What condition is HWY 8000 over Knife 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 HWY 8000 over Knife Creek carry?
About 10 vehicles per day (2010 count), of which roughly 1% are trucks.
How long is HWY 8000 over Knife Creek?
The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 17 ft wide.
Who owns HWY 8000 over Knife Creek?
It is owned by the State Park, Forest, or Reservation Agency.