Ms Route 18 over Natchez Trace Parkway
GoodClaiborne County, Mississippi · 25.5 Miles South of Ms Ro · Structure no. 5570199P0000000
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected February 2025
- Type
- Arch - Deck
- Concrete
- Length
- 85 ft
- 1 main span
- Daily traffic
- 440
- 2008 count
- Owner
- Federal
- National Park Service
About this bridge
Ms Route 18 over Natchez Trace Parkway is a concrete arch - deck carrying Ms Route 18 over Natchez Trace Parkway in Claiborne County, Mississippi. It was built in 1966, so it is 59 years old, older than the Mississippi average of 38.9 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 440 vehicles a day, projected to reach 484 by 2028. The structure is 85 ft (25.9 m) long and 34 ft wide. If it were closed, the detour would be 52.8 mi (85 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 |
|---|---|---|
| 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 Ms Route 18 over Natchez Trace Parkway built?
It was built in 1966, making it 59 years old in 2025.
What condition is Ms Route 18 over Natchez Trace Parkway 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 February 2025.
How much traffic does Ms Route 18 over Natchez Trace Parkway carry?
About 440 vehicles per day (2008 count).
How long is Ms Route 18 over Natchez Trace Parkway?
The structure is 85 ft (25.9 m) long with a longest span of 85 ft (25.9 m) and a deck 34 ft wide.
Who owns Ms Route 18 over Natchez Trace Parkway?
It is owned by the National Park Service.