I 55 over Tangipahoa River
FairPike County, Mississippi · 0.6 MI N SR 568 · Structure no. 11000550570084B
- Built
- 1960
- 65 years old, rebuilt 2013
- Condition
- Fair
- inspected November 2024
- Type
- Box Beam or Girders - Single or Spread
- Concrete
- Length
- 322 ft
- 3 main spans
- Daily traffic
- 9,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 55 over Tangipahoa River is a concrete box beam or girders - single or spread carrying I 55 over Tangipahoa River in Pike County, Mississippi. It was built in 1960 and reconstructed in 2013, so it is 65 years old, older than the Mississippi average of 38.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 9,000 vehicles a day, roughly 28% of them trucks, projected to reach 9,000 by 2043. The structure is 322 ft (98.1 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 55 over Tangipahoa River built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2013.
What condition is I 55 over Tangipahoa River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.
How much traffic does I 55 over Tangipahoa River carry?
About 9,000 vehicles per day (2023 count), of which roughly 28% are trucks.
How long is I 55 over Tangipahoa River?
The structure is 322 ft (98.1 m) long with a longest span of 67 ft (20.4 m) and a deck 45 ft wide.
Who owns I 55 over Tangipahoa River?
It is owned by the State Highway Agency.