I0055 over South Slough
GoodTangipahoa Parish, Louisiana · 8.9 MI N. of Parish Line · Structure no. 625304529008991
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected January 2025
- Type
- Slab
- Concrete
- Length
- 120 ft
- 6 main spans
- Daily traffic
- 39,850
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I0055 over South Slough is a concrete slab carrying I0055 over South Slough in Tangipahoa Parish, Louisiana. It was built in 2005, so it is 20 years old, younger 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 39,850 vehicles a day, roughly 26% of them trucks, projected to reach 43,835 by 2041. The structure is 120 ft (36.6 m) long and 41 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I0055 over South Slough built?
It was built in 2005, making it 20 years old in 2025.
What condition is I0055 over South 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 January 2025.
How much traffic does I0055 over South Slough carry?
About 39,850 vehicles per day (2021 count), of which roughly 26% are trucks.
How long is I0055 over South Slough?
The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 41 ft wide.
Who owns I0055 over South Slough?
It is owned by the State Highway Agency.