Carlson Road over Duck Creek
GoodLincoln County, Washington · 4.35 N SR 28 · Structure no. 086364000000000
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected November 2023
- Type
- Culvert
- Steel
- Length
- 35 ft
- 3 main spans
- Daily traffic
- 21
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Carlson Road over Duck Creek is a steel culvert carrying Carlson Road over Duck Creek in Lincoln County, Washington. It was built in 1997, so it is 28 years old, younger than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 21 vehicles a day, roughly 40% of them trucks, projected to reach 50 by 2042. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 98.8 mi (159 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Carlson Road over Duck Creek built?
It was built in 1997, making it 28 years old in 2025.
What condition is Carlson Road over Duck 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 November 2023.
How much traffic does Carlson Road over Duck Creek carry?
About 21 vehicles per day (2021 count), of which roughly 40% are trucks.
How long is Carlson Road over Duck Creek?
The structure is 35 ft (10.7 m) long with a longest span of 9 ft (2.7 m).
Who owns Carlson Road over Duck Creek?
It is owned by the County Highway Agency.