SR 21 over Crab Creek
FairLincoln County, Washington · 5.3 N Adams CO · Structure no. 0007755B0000000
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 135 ft
- 3 main spans
- Daily traffic
- 550
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 21 over Crab Creek is a concrete continuous slab carrying SR 21 over Crab Creek in Lincoln County, Washington. It was built in 1965, so it is 60 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.
It carries about 550 vehicles a day, roughly 10% of them trucks, projected to reach 606 by 2039. The structure is 135 ft (41.1 m) long and 38 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 SR 21 over Crab Creek built?
It was built in 1965, making it 60 years old in 2025.
What condition is SR 21 over Crab 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 August 2024.
How much traffic does SR 21 over Crab Creek carry?
About 550 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is SR 21 over Crab Creek?
The structure is 135 ft (41.1 m) long with a longest span of 53 ft (16.2 m) and a deck 38 ft wide.
Who owns SR 21 over Crab Creek?
It is owned by the State Highway Agency.