Knoell Road over Duck Creek
FairPosted for loadLincoln County, Washington · 3.46 W SR 28 · Structure no. 081721000000000
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected November 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 37
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Knoell Road over Duck Creek is a prestressed concrete tee beam carrying Knoell Road over Duck Creek in Lincoln County, Washington. It was built in 1972, so it is 53 years old, older than the Washington average of 49.8 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. Its operating status is: posted for load restriction.
It carries about 37 vehicles a day, roughly 40% of them trucks, projected to reach 100 by 2042. The structure is 30 ft (9.1 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Knoell Road over Duck Creek built?
It was built in 1972, making it 53 years old in 2025.
What condition is Knoell Road over Duck 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 November 2023.
How much traffic does Knoell Road over Duck Creek carry?
About 37 vehicles per day (2021 count), of which roughly 40% are trucks.
How long is Knoell Road over Duck Creek?
The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 20 ft wide.
Who owns Knoell Road over Duck Creek?
It is owned by the County Highway Agency.