Mt. Zion RD over I-49
GoodDe Soto Parish, Louisiana · 2.1 MI S of LA 175 · Structure no. 041600980401451
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected June 2023
- Type
- Girder and Floorbeam System
- Steel Continuous
- Length
- 320 ft
- 2 main spans
- Daily traffic
- 14,600
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
Mt. Zion RD over I-49 is a steel continuous girder and floorbeam system carrying Mt. Zion RD over I-49 in De Soto 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 14,600 vehicles a day, roughly 22% of them trucks, projected to reach 16,060 by 2035. The structure is 320 ft (97.5 m) long and 33 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 Mt. Zion RD over I-49 built?
It was built in 1986, making it 39 years old in 2025.
What condition is Mt. Zion RD 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 2023.
How much traffic does Mt. Zion RD over I-49 carry?
About 14,600 vehicles per day (2015 count), of which roughly 22% are trucks.
How long is Mt. Zion RD over I-49?
The structure is 320 ft (97.5 m) long with a longest span of 160 ft (48.8 m) and a deck 33 ft wide.
Who owns Mt. Zion RD over I-49?
It is owned by the State Highway Agency.