US0051 over I-55
GoodTangipahoa Parish, Louisiana · US051 · Structure no. 625300170400001
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected January 2025
- Type
- Girder and Floorbeam System
- Steel Continuous
- Length
- 432 ft
- 4 main spans
- Daily traffic
- 15,642
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US0051 over I-55 is a steel continuous girder and floorbeam system carrying US0051 over I-55 in Tangipahoa Parish, Louisiana. It was built in 1970, so it is 55 years old, older than the Louisiana average of 43 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 15,642 vehicles a day, roughly 6% of them trucks, projected to reach 17,206 by 2041. The structure is 432 ft (131.7 m) long and 32 ft wide.
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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US0051 over I-55 built?
It was built in 1970, making it 55 years old in 2025.
What condition is US0051 over I-55 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 2025.
How much traffic does US0051 over I-55 carry?
About 15,642 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is US0051 over I-55?
The structure is 432 ft (131.7 m) long with a longest span of 135 ft (41.1 m) and a deck 32 ft wide.
Who owns US0051 over I-55?
It is owned by the State Highway Agency.