SR 231 over Rock CR
GoodLincoln County, Washington · 9.2 N JCT SR 23 · Structure no. 0007562A0000000
- Built
- 1964
- 61 years old
- Condition
- Good
- inspected October 2023
- Type
- Slab
- Concrete Continuous
- Length
- 80 ft
- 3 main spans
- Daily traffic
- 288
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 231 over Rock CR is a concrete continuous slab carrying SR 231 over Rock CR in Lincoln County, Washington. It was built in 1964, so it is 61 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 288 vehicles a day, roughly 20% of them trucks, projected to reach 257 by 2039. The structure is 80 ft (24.4 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 SR 231 over Rock CR built?
It was built in 1964, making it 61 years old in 2025.
What condition is SR 231 over Rock CR 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 October 2023.
How much traffic does SR 231 over Rock CR carry?
About 288 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is SR 231 over Rock CR?
The structure is 80 ft (24.4 m) long with a longest span of 32 ft (9.8 m) and a deck 31 ft wide.
Who owns SR 231 over Rock CR?
It is owned by the State Highway Agency.