I0012 over Tangipahoa River Relief
GoodTangipahoa Parish, Louisiana · I0012 · Structure no. 625304540312592
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 387 ft
- 6 main spans
- Daily traffic
- 17,665
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I0012 over Tangipahoa River Relief is a prestressed concrete stringer/multi-beam or girder carrying I0012 over Tangipahoa River Relief in Tangipahoa Parish, Louisiana. It was built in 1975, so it is 50 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 17,665 vehicles a day, roughly 25% of them trucks, projected to reach 19,431 by 2041. The structure is 387 ft (118 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I0012 over Tangipahoa River Relief built?
It was built in 1975, making it 50 years old in 2025.
What condition is I0012 over Tangipahoa River 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 February 2025.
How much traffic does I0012 over Tangipahoa River Relief carry?
About 17,665 vehicles per day (2021 count), of which roughly 25% are trucks.
How long is I0012 over Tangipahoa River Relief?
The structure is 387 ft (118 m) long with a longest span of 64 ft (19.5 m) and a deck 43 ft wide.
Who owns I0012 over Tangipahoa River Relief?
It is owned by the State Highway Agency.