Nfa K640 over Branch
PoorClosed to trafficShelby County, Tennessee · Gallaway Levee Rd-Shelby · Structure no. 790A0110005
- Built
- 1958
- 67 years old
- Condition
- Poor
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 93 ft
- 3 main spans
- Daily traffic
- 461
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa K640 over Branch is a steel stringer/multi-beam or girder carrying Nfa K640 over Branch in Shelby County, Tennessee. It was built in 1958, so it is 67 years old, older than the Tennessee average of 47.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.
It carries about 461 vehicles a day, roughly 13% of them trucks, projected to reach 336 by 2041. The structure is 93 ft (28.3 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa K640 over Branch built?
It was built in 1958, making it 67 years old in 2025.
What condition is Nfa K640 over Branch in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.
How much traffic does Nfa K640 over Branch carry?
About 461 vehicles per day (2021 count), of which roughly 13% are trucks.
How long is Nfa K640 over Branch?
The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.
Who owns Nfa K640 over Branch?
It is owned by the County Highway Agency.