M RD SW over Wahluke Branch Canal
GoodGrant County, Washington · M SW 1.4 N of 24 SW · Structure no. 083361000000000
- Built
- 1969
- 56 years old
- Condition
- Good
- inspected January 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 43 ft
- 1 main span
- Daily traffic
- 157
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
M RD SW over Wahluke Branch Canal is a prestressed concrete slab carrying M RD SW over Wahluke Branch Canal in Grant County, Washington. It was built in 1969, so it is 56 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 157 vehicles a day, roughly 19% of them trucks, projected to reach 225 by 2042. The structure is 43 ft (13.1 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M RD SW over Wahluke Branch Canal built?
It was built in 1969, making it 56 years old in 2025.
What condition is M RD SW over Wahluke Branch 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 January 2024.
How much traffic does M RD SW over Wahluke Branch Canal carry?
About 157 vehicles per day (2020 count), of which roughly 19% are trucks.
How long is M RD SW over Wahluke Branch Canal?
The structure is 43 ft (13.1 m) long with a longest span of 42 ft (12.8 m) and a deck 29 ft wide.
Who owns M RD SW over Wahluke Branch Canal?
It is owned by the County Highway Agency.