Q - NW over Irrigation Canal
GoodGrant County, Washington · Q NW .1 N of 11 · Structure no. 087114000000000
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 392
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Q - NW over Irrigation Canal is a prestressed concrete stringer/multi-beam or girder carrying Q - NW over Irrigation Canal in Grant County, Washington. It was built in 2003, so it is 22 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 392 vehicles a day, roughly 20% of them trucks, projected to reach 700 by 2042. The structure is 30 ft (9.1 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 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 Q - NW over Irrigation Canal built?
It was built in 2003, making it 22 years old in 2025.
What condition is Q - NW over Irrigation 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 2023.
How much traffic does Q - NW over Irrigation Canal carry?
About 392 vehicles per day (2020 count), of which roughly 20% are trucks.
How long is Q - NW over Irrigation Canal?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 34 ft wide.
Who owns Q - NW over Irrigation Canal?
It is owned by the County Highway Agency.