I0310 over Swamp
GoodSt. Charles Parish, Louisiana · 0.1 M North of US 61 · Structure no. 024504503602646
- Built
- 1992
- 33 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 1,264 ft
- 17 main spans
- Daily traffic
- 15,642
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I0310 over Swamp is a prestressed concrete continuous stringer/multi-beam or girder carrying I0310 over Swamp in St. Charles Parish, Louisiana. It was built in 1992, so it is 33 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 15,642 vehicles a day, roughly 25% of them trucks, projected to reach 17,206 by 2041. The structure is 1,264 ft (385.3 m) long and 28 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 I0310 over Swamp built?
It was built in 1992, making it 33 years old in 2025.
What condition is I0310 over Swamp 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 October 2023.
How much traffic does I0310 over Swamp carry?
About 15,642 vehicles per day (2021 count), of which roughly 25% are trucks.
How long is I0310 over Swamp?
The structure is 1,264 ft (385.3 m) long with a longest span of 74 ft (22.6 m) and a deck 28 ft wide.
Who owns I0310 over Swamp?
It is owned by the State Highway Agency.