SR 174 over Columbia Basin Canal
GoodGrant County, Washington · 1.3 E Douglas CO · Structure no. 000000LP0000000
- Built
- 1949
- 76 years old
- Condition
- Good
- inspected October 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 227 ft
- 4 main spans
- Daily traffic
- 1,493
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 174 over Columbia Basin Canal is a concrete continuous tee beam carrying SR 174 over Columbia Basin Canal in Grant County, Washington. It was built in 1949, so it is 76 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 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 1,493 vehicles a day, roughly 14% of them trucks, projected to reach 1,939 by 2039. The structure is 227 ft (69.2 m) long and 33 ft wide. If it were closed, the detour would be 24.2 mi (39 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 | 7 Good | Some minor problems. |
| 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 174 over Columbia Basin Canal built?
It was built in 1949, making it 76 years old in 2025.
What condition is SR 174 over Columbia Basin 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 October 2023.
How much traffic does SR 174 over Columbia Basin Canal carry?
About 1,493 vehicles per day (2023 count), of which roughly 14% are trucks.
How long is SR 174 over Columbia Basin Canal?
The structure is 227 ft (69.2 m) long with a longest span of 79 ft (24.1 m) and a deck 33 ft wide.
Who owns SR 174 over Columbia Basin Canal?
It is owned by the State Highway Agency.