US Bridges

Nfa K641 over Branch

Fair

Shelby County, Tennessee · 1.84 Mi. E of SR-14 Jct. · Structure no. 79S80740045

Built
1989
36 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
59 ft
3 main spans
Daily traffic
1,145
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa K641 over Branch is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa K641 over Branch in Shelby 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,145 vehicles a day, roughly 13% of them trucks, projected to reach 5,296 by 2041. The structure is 59 ft (18.1 m) long and 46 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesNfa K641
CrossesBranch
Location1.84 Mi. E of SR-14 Jct.
RouteCounty Highway 6052
CountyShelby County
StateTennessee
Coordinates35.33636, -89.75894
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length59 ft (18.1 m)
Longest span21 ft (6.5 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,145 (2021)
Projected traffic5,296 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa K641 over Branch built?

It was built in 1989, making it 36 years old in 2025.

What condition is Nfa K641 over Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does Nfa K641 over Branch carry?

About 1,145 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is Nfa K641 over Branch?

The structure is 59 ft (18.1 m) long with a longest span of 21 ft (6.5 m) and a deck 46 ft wide.

Who owns Nfa K641 over Branch?

It is owned by the County Highway Agency.