SR 21 over Cannawai Creek
GoodLincoln County, Washington · 16.6 N JCT SR 28 · Structure no. 0008491B0000000
- Built
- 1969
- 56 years old
- Condition
- Good
- inspected April 2021
- Type
- Slab
- Concrete
- Length
- 33 ft
- 1 main span
- Daily traffic
- 185
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 21 over Cannawai Creek is a concrete slab carrying SR 21 over Cannawai Creek in Lincoln County, Washington. It was built in 1969, so it is 56 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 185 vehicles a day, roughly 22% of them trucks, projected to reach 203 by 2039. The structure is 33 ft (10.1 m) long and 35 ft wide. If it were closed, the detour would be 18 mi (29 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 21 over Cannawai Creek built?
It was built in 1969, making it 56 years old in 2025.
What condition is SR 21 over Cannawai 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 April 2021.
How much traffic does SR 21 over Cannawai Creek carry?
About 185 vehicles per day (2023 count), of which roughly 22% are trucks.
How long is SR 21 over Cannawai Creek?
The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 35 ft wide.
Who owns SR 21 over Cannawai Creek?
It is owned by the State Highway Agency.