Natchez Trace Park over Old Tn Route 96 & Dobbin
GoodWilliamson County, Tennessee · 1.75 Miles to Tn Route 46 · Structure no. 5570451P0000000
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected March 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 800 ft
- 4 main spans
- Daily traffic
- 340
- 2024 count
- Owner
- Federal
- National Park Service
About this bridge
Natchez Trace Park over Old Tn Route 96 & Dobbin is a prestressed concrete continuous box beam or girders - single or spread carrying Natchez Trace Park over Old Tn Route 96 & Dobbin in Williamson County, Tennessee. It was built in 1990, so it is 35 years old, younger than the Tennessee average of 47.4 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 340 vehicles a day, roughly 2% of them trucks, projected to reach 374 by 2044. The structure is 800 ft (243.8 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Natchez Trace Park over Old Tn Route 96 & Dobbin built?
It was built in 1990, making it 35 years old in 2025.
What condition is Natchez Trace Park over Old Tn Route 96 & Dobbin 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 Old Tn Route 96 & Dobbin carry?
About 340 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is Natchez Trace Park over Old Tn Route 96 & Dobbin?
The structure is 800 ft (243.8 m) long with a longest span of 200 ft (61 m) and a deck 37 ft wide.
Who owns Natchez Trace Park over Old Tn Route 96 & Dobbin?
It is owned by the National Park Service.