US 51 over Jack Lake Relief
GoodMadison County, Mississippi · 0.1 MI N SR 17 · Structure no. 210005104513830
- Built
- 1939
- 86 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 475 ft
- 19 main spans
- Daily traffic
- 930
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 51 over Jack Lake Relief is a steel stringer/multi-beam or girder carrying US 51 over Jack Lake Relief in Madison County, Mississippi. It was built in 1939, so it is 86 years old, older than the Mississippi average of 38.9 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 930 vehicles a day, roughly 11% of them trucks, projected to reach 930 by 2043. The structure is 475 ft (144.8 m) long and 26 ft wide. If it were closed, the detour would be 36 mi (58 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 US 51 over Jack Lake Relief built?
It was built in 1939, making it 86 years old in 2025.
What condition is US 51 over Jack Lake Relief 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 May 2024.
How much traffic does US 51 over Jack Lake Relief carry?
About 930 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is US 51 over Jack Lake Relief?
The structure is 475 ft (144.8 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.
Who owns US 51 over Jack Lake Relief?
It is owned by the State Highway Agency.