US 2 over South Coulee Dam
GoodGrant County, Washington · 27.4 E JCT SR 172 · Structure no. 002004340000000
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected February 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 90 ft
- 6 main spans
- Daily traffic
- 1,910
- 2023 count
- Owner
- Federal
- Bureau of Reclamation
About this bridge
US 2 over South Coulee Dam is a concrete continuous culvert carrying US 2 over South Coulee Dam in Grant County, Washington. It was built in 1984, so it is 41 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 1,910 vehicles a day, roughly 12% of them trucks, projected to reach 2,513 by 2039. The structure is 90 ft (27.4 m) long. 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 2 over South Coulee Dam built?
It was built in 1984, making it 41 years old in 2025.
What condition is US 2 over South Coulee Dam 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 US 2 over South Coulee Dam carry?
About 1,910 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is US 2 over South Coulee Dam?
The structure is 90 ft (27.4 m) long with a longest span of 13 ft (3.9 m).
Who owns US 2 over South Coulee Dam?
It is owned by the Bureau of Reclamation.