Nfa A436 over Nathan Smith RD / I840
GoodWilliamson County, Tennessee · 5.1 MI E JCT I65&I840 · Structure no. 94SR8400069
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 274 ft
- 2 main spans
- Daily traffic
- 100
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Nfa A436 over Nathan Smith RD / I840 is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A436 over Nathan Smith RD / I840 in Williamson County, Tennessee. It was built in 2001, so it is 24 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 160 by 2041. The structure is 274 ft (83.5 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 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 Nfa A436 over Nathan Smith RD / I840 built?
It was built in 2001, making it 24 years old in 2025.
What condition is Nfa A436 over Nathan Smith RD / I840 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 Nfa A436 over Nathan Smith RD / I840 carry?
About 100 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa A436 over Nathan Smith RD / I840?
The structure is 274 ft (83.5 m) long with a longest span of 143 ft (43.5 m) and a deck 28 ft wide.
Who owns Nfa A436 over Nathan Smith RD / I840?
It is owned by the State Highway Agency.