US Bridges

Nfa A004 over Branch

Fair

Madison County, Tennessee · 2.8 MI NE JCT I40&SR138 · Structure no. 570A0040001

Built
1962
63 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
86 ft
3 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A004 over Branch is a concrete tee beam carrying Nfa A004 over Branch in Madison County, Tennessee. It was built in 1962, so it is 63 years old, older 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 40 vehicles a day, roughly 8% of them trucks, projected to reach 64 by 2041. The structure is 86 ft (26.2 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesNfa A004
CrossesBranch
Location2.8 MI NE JCT I40&SR138
RouteCounty Highway 4
CountyMadison County
StateTennessee
Coordinates35.61934, -88.99436
Functional classRural Local

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.
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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length86 ft (26.2 m)
Longest span29 ft (8.8 m)
Deck width35 ft (10.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic64 by 2041
Trucks8%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A004 over Branch built?

It was built in 1962, making it 63 years old in 2025.

What condition is Nfa A004 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 A004 over Branch carry?

About 40 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Nfa A004 over Branch?

The structure is 86 ft (26.2 m) long with a longest span of 29 ft (8.8 m) and a deck 35 ft wide.

Who owns Nfa A004 over Branch?

It is owned by the County Highway Agency.