Eight Mile Lp over I-49
GoodNatchitoches Parish, Louisiana · 1.9 MI N of LA 6 · Structure no. 083504550631401
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 293 ft
- 2 main spans
- Daily traffic
- 15,900
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Eight Mile Lp over I-49 is a prestressed concrete continuous stringer/multi-beam or girder carrying Eight Mile Lp over I-49 in Natchitoches Parish, Louisiana. It was built in 1986, so it is 39 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 15,900 vehicles a day, roughly 30% of them trucks, projected to reach 17,490 by 2036. The structure is 293 ft (89.3 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Eight Mile Lp over I-49 built?
It was built in 1986, making it 39 years old in 2025.
What condition is Eight Mile Lp over I-49 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 June 2024.
How much traffic does Eight Mile Lp over I-49 carry?
About 15,900 vehicles per day (2016 count), of which roughly 30% are trucks.
How long is Eight Mile Lp over I-49?
The structure is 293 ft (89.3 m) long with a longest span of 98 ft (29.9 m) and a deck 31 ft wide.
Who owns Eight Mile Lp over I-49?
It is owned by the State Highway Agency.