FAP 408 (sr 155) over Briley Pkwy./Knight Rd.
GoodDavidson County, Tennessee · 3 M. W. I24 @ Knight Rd. · Structure no. 19SR1550025
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 148 ft
- 3 main spans
- Daily traffic
- 46,651
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
FAP 408 (sr 155) over Briley Pkwy./Knight Rd. is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 408 (sr 155) over Briley Pkwy./Knight Rd. in Davidson County, Tennessee. It was built in 1988, so it is 37 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 46,651 vehicles a day, roughly 7% of them trucks, projected to reach 80,707 by 2041. The structure is 148 ft (45.1 m) long and 90 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 FAP 408 (sr 155) over Briley Pkwy./Knight Rd. built?
It was built in 1988, making it 37 years old in 2025.
What condition is FAP 408 (sr 155) over Briley Pkwy./Knight Rd. 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 April 2023.
How much traffic does FAP 408 (sr 155) over Briley Pkwy./Knight Rd. carry?
About 46,651 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is FAP 408 (sr 155) over Briley Pkwy./Knight Rd.?
The structure is 148 ft (45.1 m) long with a longest span of 60 ft (18.3 m) and a deck 90 ft wide.
Who owns FAP 408 (sr 155) over Briley Pkwy./Knight Rd.?
It is owned by the State Highway Agency.