US Bridges

Nfa 1579 (sa 5732) over Branch

Fair

Madison County, Tennessee · 4.9 MI NE JCT SR5&SR43 · Structure no. 57015790001

Built
1999
26 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
152
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1579 (sa 5732) over Branch is a prestressed concrete box beam or girders - single or spread carrying Nfa 1579 (sa 5732) over Branch in Madison County, Tennessee. It was built in 1999, so it is 26 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 152 vehicles a day, roughly 3% of them trucks, projected to reach 512 by 2041. The structure is 85 ft (25.9 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1579 (sa 5732)
CrossesBranch
Location4.9 MI NE JCT SR5&SR43
RouteCounty Highway 1579
Coordinates35.77778, -88.75383
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.2 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span85 ft (25.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic152 (2021)
Projected traffic512 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 1579 (sa 5732) over Branch built?

It was built in 1999, making it 26 years old in 2025.

What condition is Nfa 1579 (sa 5732) 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 1579 (sa 5732) over Branch carry?

About 152 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1579 (sa 5732) over Branch?

The structure is 85 ft (25.9 m) long with a longest span of 85 ft (25.9 m) and a deck 26 ft wide.

Who owns Nfa 1579 (sa 5732) over Branch?

It is owned by the County Highway Agency.