US-51 over Willow Slough
GoodBallard County, Kentucky · .6 Mi. W JCT US 60 · Structure no. 004B00066N
- Built
- 2000
- 25 years old, rebuilt 2001
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 3,312 ft
- 24 main spans
- Daily traffic
- 5,344
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US-51 over Willow Slough is a prestressed concrete stringer/multi-beam or girder carrying US-51 over Willow Slough in Ballard County, Kentucky. It was built in 2000 and reconstructed in 2001, so it is 25 years old, younger than the Kentucky average of 46.6 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 5,344 vehicles a day, roughly 44% of them trucks, projected to reach 5,344 by 2042. The structure is 3,312 ft (1,009.5 m) long and 47 ft wide. If it were closed, the detour would be 111.8 mi (180 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 US-51 over Willow Slough built?
It was built in 2000, making it 25 years old in 2025. It was reconstructed in 2001.
What condition is US-51 over Willow Slough 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 September 2023.
How much traffic does US-51 over Willow Slough carry?
About 5,344 vehicles per day (2022 count), of which roughly 44% are trucks.
How long is US-51 over Willow Slough?
The structure is 3,312 ft (1,009.5 m) long with a longest span of 138 ft (42 m) and a deck 47 ft wide.
Who owns US-51 over Willow Slough?
It is owned by the State Highway Agency.