O-Sw over West Low Canal
GoodGrant County, Washington · O SW .06 N of Frenchmen · Structure no. 086537000000000
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected December 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 92 ft
- 1 main span
- Daily traffic
- 155
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
O-Sw over West Low Canal is a prestressed concrete tee beam carrying O-Sw over West Low Canal in Grant County, Washington. It was built in 1997, so it is 28 years old, younger 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 155 vehicles a day, roughly 24% of them trucks, projected to reach 323 by 2042. The structure is 92 ft (28 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was O-Sw over West Low Canal built?
It was built in 1997, making it 28 years old in 2025.
What condition is O-Sw over West Low Canal 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 December 2024.
How much traffic does O-Sw over West Low Canal carry?
About 155 vehicles per day (2022 count), of which roughly 24% are trucks.
How long is O-Sw over West Low Canal?
The structure is 92 ft (28 m) long with a longest span of 91 ft (27.7 m) and a deck 30 ft wide.
Who owns O-Sw over West Low Canal?
It is owned by the County Highway Agency.