Headworks Maintena over Crab Creek Siphon No. 1
GoodGrant County, Washington · Crab Ck Siphon No. 1 Inle · Structure no. 11ELC0051
- Built
- 1947
- 78 years old
- Condition
- Good
- inspected November 2021
- Type
- Culvert
- Concrete
- Length
- 22 ft
- 1 main span
- Daily traffic
- 10
- 2021 count
- Owner
- Federal
- Bureau of Reclamation
About this bridge
Headworks Maintena over Crab Creek Siphon No. 1 is a concrete culvert carrying Headworks Maintena over Crab Creek Siphon No. 1 in Grant County, Washington. It was built in 1947, so it is 78 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 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 10 vehicles a day, projected to reach 10 by 2041. The structure is 22 ft (6.8 m) long and 27 ft wide. If it were closed, the detour would be 2.5 mi (4 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 Headworks Maintena over Crab Creek Siphon No. 1 built?
It was built in 1947, making it 78 years old in 2025.
What condition is Headworks Maintena over Crab Creek Siphon No. 1 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 2021.
How much traffic does Headworks Maintena over Crab Creek Siphon No. 1 carry?
About 10 vehicles per day (2021 count).
How long is Headworks Maintena over Crab Creek Siphon No. 1?
The structure is 22 ft (6.8 m) long with a longest span of 22 ft (6.8 m) and a deck 27 ft wide.
Who owns Headworks Maintena over Crab Creek Siphon No. 1?
It is owned by the Bureau of Reclamation and maintained by the Other Local Agency.