Natchez Trace Park over U.S. Route 45 Bypass
GoodLee County, Mississippi · 1.2 Miles North of U.S. R · Structure no. 5570211P0000000
- Built
- 1979
- 46 years old
- Condition
- Good
- inspected March 2023
- Type
- Box Beam or Girders - Single or Spread
- Concrete Continuous
- Length
- 404 ft
- 4 main spans
- Daily traffic
- 2,830
- 2022 count
- Owner
- Federal
- National Park Service
About this bridge
Natchez Trace Park over U.S. Route 45 Bypass is a concrete continuous box beam or girders - single or spread carrying Natchez Trace Park over U.S. Route 45 Bypass in Lee County, Mississippi. It was built in 1979, so it is 46 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 2,830 vehicles a day, roughly 19% of them trucks, projected to reach 3,396 by 2042. The structure is 404 ft (123.1 m) long and 39 ft wide. If it were closed, the detour would be 9.9 mi (16 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 Natchez Trace Park over U.S. Route 45 Bypass built?
It was built in 1979, making it 46 years old in 2025.
What condition is Natchez Trace Park over U.S. Route 45 Bypass 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 March 2023.
How much traffic does Natchez Trace Park over U.S. Route 45 Bypass carry?
About 2,830 vehicles per day (2022 count), of which roughly 19% are trucks.
How long is Natchez Trace Park over U.S. Route 45 Bypass?
The structure is 404 ft (123.1 m) long with a longest span of 112 ft (34.1 m) and a deck 39 ft wide.
Who owns Natchez Trace Park over U.S. Route 45 Bypass?
It is owned by the National Park Service.