County Road 4723 over Nine Mile Creek
FairOkanogan County, Washington · NENWS15T40NR27E · Structure no. 081837000000000
- Built
- 1980
- 45 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 24 ft
- 1 main span
- Daily traffic
- 34
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 4723 over Nine Mile Creek is a prestressed concrete stringer/multi-beam or girder carrying County Road 4723 over Nine Mile Creek in Okanogan County, Washington. It was built in 1980, so it is 45 years old, younger 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.
It carries about 34 vehicles a day, roughly 9% of them trucks, projected to reach 74 by 2040. The structure is 24 ft (7.3 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County Road 4723 over Nine Mile Creek built?
It was built in 1980, making it 45 years old in 2025.
What condition is County Road 4723 over Nine Mile 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 October 2023.
How much traffic does County Road 4723 over Nine Mile Creek carry?
About 34 vehicles per day (2019 count), of which roughly 9% are trucks.
How long is County Road 4723 over Nine Mile Creek?
The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.
Who owns County Road 4723 over Nine Mile Creek?
It is owned by the County Highway Agency.