Q SW over West Canal Blk 78
GoodGrant County, Washington · Q SW .1 South of 1.5 · Structure no. 086169000000000
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected February 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 93 ft
- 1 main span
- Daily traffic
- 877
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Q SW over West Canal Blk 78 is a prestressed concrete tee beam carrying Q SW over West Canal Blk 78 in Grant County, Washington. It was built in 1993, so it is 32 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 877 vehicles a day, roughly 20% of them trucks, projected to reach 1,000 by 2042. The structure is 93 ft (28.3 m) long and 35 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Q SW over West Canal Blk 78 built?
It was built in 1993, making it 32 years old in 2025.
What condition is Q SW over West Canal Blk 78 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 February 2023.
How much traffic does Q SW over West Canal Blk 78 carry?
About 877 vehicles per day (2020 count), of which roughly 20% are trucks.
How long is Q SW over West Canal Blk 78?
The structure is 93 ft (28.3 m) long with a longest span of 92 ft (28 m) and a deck 35 ft wide.
Who owns Q SW over West Canal Blk 78?
It is owned by the County Highway Agency.