FAU 4988 over Mackey Branch
GoodHamilton County, Tennessee · 2 MI East of I75 & SR 153 · Structure no. 330E2780003
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected June 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 33 ft
- 3 main spans
- Daily traffic
- 7,946
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
FAU 4988 over Mackey Branch is a concrete continuous culvert carrying FAU 4988 over Mackey Branch in Hamilton County, Tennessee. It was built in 1989, so it is 36 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 7,946 vehicles a day, roughly 4% of them trucks, projected to reach 12,714 by 2042. The structure is 33 ft (10.1 m) long and 51 ft wide. If it were closed, the detour would be 0.6 mi (1 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FAU 4988 over Mackey Branch built?
It was built in 1989, making it 36 years old in 2025.
What condition is FAU 4988 over Mackey Branch 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 FAU 4988 over Mackey Branch carry?
About 7,946 vehicles per day (2021 count), of which roughly 4% are trucks.
How long is FAU 4988 over Mackey Branch?
The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 51 ft wide.
Who owns FAU 4988 over Mackey Branch?
It is owned by the City or Municipal Highway Agency.