Allen Marthaville over Bayou Terre Blanc
GoodNatchitoches Parish, Louisiana · 3.25 M. N. of LA 120 · Structure no. 083531467932071
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected January 2025
- Type
- Slab
- Concrete
- Length
- 76 ft
- 4 main spans
- Daily traffic
- 32
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Allen Marthaville over Bayou Terre Blanc is a concrete slab carrying Allen Marthaville over Bayou Terre Blanc in Natchitoches Parish, Louisiana. It was built in 1993, so it is 32 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 32 vehicles a day, projected to reach 35 by 2042. The structure is 76 ft (23.2 m) long and 27 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Allen Marthaville over Bayou Terre Blanc built?
It was built in 1993, making it 32 years old in 2025.
What condition is Allen Marthaville over Bayou Terre Blanc 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 Allen Marthaville over Bayou Terre Blanc carry?
About 32 vehicles per day (2022 count).
How long is Allen Marthaville over Bayou Terre Blanc?
The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.
Who owns Allen Marthaville over Bayou Terre Blanc?
It is owned by the County Highway Agency.